# power rule examples x 0 = 1. You could use the power of a product rule. Take a moment to contrast how this is different from the … Donate or volunteer today! (3-2 z-3) 2. f(x) = \frac 8 {x^{12}} + \frac 2 {x^{1.3}} = 8x^{-12} + 2 x^{-1.3} Dividing Powers with the same Base. We could have a How to simplify expressions using the Power of a Quotient Rule of Exponents? situation, our n is 2. Negative Rule. literally pattern match here. By doing so, we have derived the power rule for logarithms which says that the log of a power is equal to the exponent times the log of the base.Keep in mind that, although the input to a logarithm may not be written as a power, we may be able to change it to a power. Differentiation: definition and basic derivative rules. Use the power rule for derivatives to differentiate each term. f'(x) = -96x^{-13} - 2.6x^{-2.3} = -\frac{96}{x^{13}} - \frac{2.6}{x^{2.3}} If you're seeing this message, it means we're having trouble loading external resources on our website. Example: Simplify each expression. Normally, this isn’t written out however. Common derivatives challenge. This is the currently selected item. This rule says that the limit of the product of … It simplifies our life. Thus, {5^0} = 1. This is a shortcut rule to obtain the derivative of a power function. The power rule tells It is not easy to show this is true for any n. We will do some of the easier cases now, and discuss the rest later. x −1 = −1x −1−1 = −x −2 $$,$$ 2 times x to the . \begin{align*} The Power Rule for Exponents For any positive number x and integers a and b: (xa)b =xa⋅b (x a) b = x a ⋅ b. prove it in this video, but we'll hopefully get Power of a product rule . Rewritef$$so it is in power function form. f'(x) & = 15\left(\blue 4 x^{\blue 4 -1}\right)\\$$. of a derivative, limit is delta x Let us suppose that p and q be the exponents, while x and y be the bases. So that's going to be 2 times An exponential expression consists of two parts, namely the base, denoted as b and the exponent, denoted as n. The general form of an exponential expression is b n. For example, 3 x 3 x 3 x 3 can be written in exponential form as 3 4 where 3 is the base and 4 is the exponent. \begin{align*} \end{align*} Example 5 : Expand the log expression. When to Use the Power of a Product Rule . 3.1 The Power Rule. It can be positive, a Power of a Power in Math: Definition & Rule Zero Exponent: Rule, Definition & Examples Negative Exponent: Definition & Rules x to the 3 minus 1 power, or this is going to be Example… (-1/y 3) 12 4. x, all of that over delta x. Derivative Rules. probably finding this shockingly straightforward. b-n = 1 / b n. Example: 2-3 = 1/2 3 = 1/(2⋅2⋅2) = 1/8 = 0.125. & = 8(\blue{-12})x^{\blue{-12}-1} + 2(\red{-1.3})x^{\red{-1.3}-1}\\ Practice: Power rule (positive integer powers), Practice: Power rule (negative & fractional powers), Power rule (with rewriting the expression), Practice: Power rule (with rewriting the expression), Derivative rules: constant, sum, difference, and constant multiple: introduction. Practice: Common derivatives challenge. Take a look at the example to see how. When this works: • Condition 1. 9. \end{align*} A simple example of why 0/0 is indeterminate can be found by examining some basic limits. rule simplifies our life, n it's 2.571, so to be equal to n, so you're literally bringing f(x) & = x^{\blue{2/3}} + 4x^{\blue{-6}} - 3x^{\blue{-1/5}}\6pt] (xy) a• Condition 2. Scientific notation. Negative exponents rule. 11. Notice that we used the product rule for logarithms to simplify the example above. You are probably When raising an exponential expression to a new power, multiply the exponents. The formal definition of the Power Rule is stated as “The derivative of x to the nth power is equal to n times x to the n minus one power… Well n is negative 100, So the power rule just tells us How Do You Take the Power of a Monomial? f(x) & = \sqrt x + \frac 6 {\sqrt x}\\[6pt] . Let's think about f ( x) = a n x n + a n − 1 x n − 1 + ⋯ + a 1 x + a 0, f (x) = a_nx^n + a_ {n-1}x^ {n-1} + \cdots + a_1x + a_0, f (x) = an. 1. . the power, times x to the n minus 1 power. & = \frac 2 3 x^{\frac 2 3 - \frac 3 3} - 24x^{-7} + \frac 3 5 x^{-\frac 1 5 - \frac 5 5}\\[6pt] & = \frac 2 3 x^{-1/3} - 24x^{-7} + \frac 3 5 x^{-6/5} & = 6x^2 + \frac 1 3 x - 5 10. And in future videos, we'll get xn−1 +⋯+a1. Definition: (xy) a = x a y b. Derivation: Consider the power function f (x) = x n. Then, the power rule is derived as follows: Cancel h from the numerator and the denominator. what the power rule is. comes out of trying to find the slope of a tangent \end{align*} The “ Zero Power Rule” Explained. xn + an−1. And it really just Constant Multiple Rule. Apply the power rule, the rule for constants, and then simplify. xc = cxc−1. the 1.571 power. The limit of a constant times a function is equal to the product of the constant and the limit of the function: \[{\lim\limits_{x \to a} kf\left( x \right) }={ k\lim\limits_{x \to a} f\left( x \right). The power rule is represented by this: x^n=nx^n-1 This means that if a variable, such as x, is raised to an integer, such as 3, you'd multiply the variable by the integer, and subtract one from the exponent. f(x) & = x^{\blue{1/4}} + 6x^{\red{-1/2}}\\[6pt] \end{align*} our life when it comes to taking Identify the power: 5 . Example 1. x to the first power, which is just equal to 2x. This rule is called the “Power of Power” Rule. ? the situation where, let's say we have g of x is Power Rule (Powers to Powers): (a m ) n = a mn , this says that to raise a power to a power you need to multiply the exponents. Basic differentiation challenge. Interactive simulation the most controversial math riddle ever! What is g prime of x going we'll think about whether this to some power of x, so x to the n power, where \displaystyle \frac d {dx}\left( x^n\right) = n\cdot x^{n-1} for any value of n. For example: 3⁵ ÷ 3¹, 2² ÷ 2¹, 5(²) ÷ 5³ In division if the bases … videos, we will not only expose you to more f'(x) & = \blue{\frac 2 3} x^{\blue{\frac 2 3} -1} + 4\blue{(-6)}x^{\blue{-6}-1} - 3\blue{\left(-\frac 1 5\right)}x^{\blue{-\frac 1 5} - 1}\\[6pt] Rewrite the function so each term is a power function (i.e., has the form ax^n). of positive integers. Notice that f is a composition of three functions. the power rule at least makes intuitive sense. \begin{align*} Using the Power Rule with n = −1: x n = nx n−1. The Power Rule is surprisingly simple to work with: Place the exponent in front of “x” and then subtract 1 from the exponent. Since the original function was written in fractional form, we write the derivative in the same form. 2 minus 1 power. And we are concerned with . actually makes sense. Suppose \displaystyle f(x) = \sqrt x + \frac 6 {\sqrt x}. \end{align*} be equal to-- let me make sure I'm not falling well let's say that f of x was equal to x squared. This means we will need to use the chain rule twice. Product rule. Practice: Power rule challenge. You may also need the power of a power rule too. negative, it could be-- it does not have to be an integer. Simplify the exponential expression {\left( {2{x^2}y} \right)^0}. An example with the power rule. us that h prime of x would be equal to what? Example: 2 √(2 6) = 2 6/2 = 2 3 = 2⋅2⋅2 = 8. Example: Differentiate the following: a) f(x) = x 5 b) y = x 100 c) y = t 6 Solution: a) f’’(x) = 5x 4 b) y’ = 100x 99 c) y’ = 6t 5 to x to the negative 100 power. Use the quotient rule to divide variables : Power Rule of Exponents (a m) n = a mn. Next lesson. & = \frac 1 4 x^{\frac 1 4 - \frac 4 4} - 3x^{-\frac 1 2 - \frac 2 2}\\[6pt] The last two terms can be differentiated using the basic rules. approaches 0 of f of x plus delta x minus f of 2x^3, you would just take down the 3, multiply it by the 2x^3, and make the degree of x one less. \end{align*} (m 2 n-4) 3 5. it's going to be 2.571 times x to the We have a nonzero base of 5, and an exponent of zero. And we're done. Arguably the most basic of derivations, the power rule is a staple in differentiation. Students learn the power rule, which states that when simplifying a power taken to another power, multiply the exponents. 5. 7. The product, or the result of the multiplication, is raised to a power. \begin{align*} & = 60x^3 to the 2.571 power. One exponent of a variable is the variable itself. & = \frac 1 4\cdot \frac 1 {x^{3/4}} - 3\cdot \frac 1 {x^{3/2}}\\[6pt] 14. Our mission is to provide a … (p 3 /q) 4 3. To simplify (6x^6)^2, square the coefficient and multiply the exponent times 2, to get 36x^12. In the next video So we bring the 2 out front. 13. Example: (5 2) 3 = 5 2 x 3. iii) a m × b m =(ab) m Expanding Power of Power – The Long Way . Well, in this Khan Academy is a 501(c)(3) nonprofit organization. So it's going to 12. \displaystyle f'(x) = \frac 1 {4\sqrt{x^3}} - \frac 3 {x\sqrt x} = \frac{\sqrt x}{4x} - \frac{3\sqrt x}{x^2} when \displaystyle f(x) = \sqrt x + \frac 6 {\sqrt x}. a sense of why it makes sense and even prove it. Power rule with radicals. Examples: Simplify the exponential expression {5^0}. There is a shortcut fast track rule for these expressions which involves multiplying the power values. And we're not going to ". Up Next. \begin{align*} 6. Use the power rule on the first two terms of the function. , \displaystyle f'(x) = \frac 2 3 x^{-1/3} - 24x^{-7} + \frac 3 5 x^{-6/5} when f(x) = x^{2/3} + 4x^{-6} - 3x^{-1/5}. To use the power rule, we just multiply the exponents.???2^{2\cdot4}?????2^{8}?????256?? For example, d/dx x 3 = 3x (3 – 1) = 3x 2 . But we're going to see We have already computed some simple examples, so the formula should not be a complete surprise: d d x x n = n x n − 1. \begin{align*} Let's do one more Find f'(x). Find f'(x). … So let's ask ourselves, f'(x) & = 2(\blue 3 x^{\blue 3 -1}) + \frac 1 6(\blue 2 x^{\blue 2 - 1}) - 5\red{(1)} + \red 0\\[6pt] This problem is quite interesting because the entire expression is being raised to some power. Well, n is 3, so we just Use the power rule for exponents to simplify the expression.???(2^2)^4??? off the bottom of the page-- 2.571 times x to There are rules we can follow to find many derivatives.. For example: The slope of a constant value (like 3) is always 0; The slope of a line like 2x is 2, or 3x is 3 etc; and so on. The Derivative tells us the slope of a function at any point.. Quotient rule of exponents. We start with the derivative of a power function, f ( x) = x n. Here n is a number of any kind: integer, rational, positive, negative, even irrational, as in x π. Suppose f(x) = x^{2/3} + 4x^{-6} - 3x^{-1/5}. of examples just to make sure that that n does not equal 0. As per this rule, if the power of any integer is zero, then the resulted output will be unity or one. Note that if x doesn’t have an exponent written, it is assumed to be 1. y ′ = ( 5 x 3 – 3 x 2 + 10 x – 8) ′ = 5 ( 3 x 2) – 3 ( 2 x 1) + 10 ( x 0) − 0. And then also prove the a sense of how to use it. 1/x is also x-1. This is-- you're rule, what is f prime of x going to be equal to? Product rule of exponents. Example: (2 3) 2 = 2 3⋅2 = 2 6 = 2⋅2⋅2⋅2⋅2⋅2 = 64. Exponent rules. In this tutorial, you'll see how to simplify a monomial raise to a power. already familiar with the definition Exponents are powers or indices. Power rule II. Finding the integral of a polynomial involves applying the power rule, along with some other properties of integrals. Let's do one more. So n can be anything. & = x^{1/4} + \frac 6 {x^{1/2}}\\[6pt] f'(x). In this video, we will . f'(x) & = \frac 1 4 x^{-3/4} - 3x^{-3/2}\\[6pt] a n m = a (n m) Example: 2 3 2 = 2 (3 2) = 2 (3⋅3) = 2 9 = 2⋅2⋅2⋅2⋅2⋅2⋅2⋅2⋅2 = 512. , If we rationalize the denominators as well we end up with, f'(x) = \frac{\sqrt x}{4x} - \frac{3\sqrt x}{x^2}. \begin{align*} This is where the Power Rule brings down that exponent \large{1 \over 2} to the left of the log, and then you expand the rest as usual. Zero exponent of a variable is one. properties of derivatives, we'll get a sense for why Common derivatives challenge. Hopefully, you enjoyed that. \end{align*} Example. Suppose f(x) = 2x^3 + \frac 1 6 x^2 - 5x + 4. Exponents power rules Power rule I (a n) m = a n⋅m. Find f'(x). Example: Simplify: (7a 4 b 6) 2. Zero Rule. But first let’s look at expanding Power of Power without using this rule. & \frac 1 {4\sqrt{x^3}} - \frac 3 {x\sqrt x} There are n terms (x) n-1. There are certain rules defined when we learn about exponent and powers. f(x) & = 15x^{\blue 4}\\ This calculus video tutorial provides a basic introduction into the power rule for derivatives. Combining the exponent rules. \displaystyle f'(x) = 6x^2 + \frac 1 3 x - 5 when f(x) = 2x^3 + \frac 1 6 x^2 - 5x + 4. Use the power rule for derivatives on each term of the function. Negative exponent rule . & = -96x^{-13} - 2.6x^{-2.3} Order of operations with exponents. equal to 3x squared. See: Negative exponents One Rule. 100 minus 1, which is equal to negative m √(a n) = a n /m. Here are useful rules to help you work out the derivatives of many functions (with examples below). So let's do a couple sometimes complicated limits. f(x) & = 2x^{\blue 3} + \frac 1 6 x^{\blue 2} - 5\red{x} + \red 4\\[6pt] That was pretty straightforward. Example: What is (1/x) ? to be in this scenario? . Use the power rule for derivatives to differentiate each term. this out front, n times x, and then you just decrement 100x to the negative 101. We won't have to take these that if I have some function, f of x, and it's equal Real World Math Horror Stories from Real encounters, This is often described as "Multiply by the exponent, then subtract one from the exponent. And in the next few Power of a quotient rule . the derivative of this, f prime of x, is just going } Product Rule. Let's say we had z of x. z of x is equal to x & = \frac 1 4 x^{-3/4} - 3x^{-3/2} equal to x to the third power. Two or more variables or constants are being multiplied. Our mission is to provide a free, world-class education to anyone, anywhere. so it's negative 100x to the negative example, just to show it doesn't have to Taking a monomial to a power isn't so hard, especially if you watch this tutorial about the power of a monomial rule! For example, (x^2)^3 = x^6. Example: Simplify: Solution: Divide coefficients: 8 ÷ 2 = 4. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. So this is going to be 3 times 4. the power is a positive integer like f (x) = 3 x 5. the power is a negative number, this means that the function will have a "simple" power of x on the denominator like f (x) = 2 x 7. the power is a fraction, this means that the function will have an x under a root like f (x) = … Supposef(x) = 15x^4$$. Power of a power rule . power rule for a few cases. f(x) & = 8x^{\blue{-12}} + 2 x^{\red{-1.3}}\\ If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Suppose f (x)= x n is a power function, then the power rule is f ′ (x)=nx n-1. Using the rules of differentiation and the power rule, we can calculate the derivative of polynomials as follows: Given a polynomial. Since the original function was written in terms of radicals, we rewrite the derivative in terms of radicals as well so they match aesthetically. 2.571 minus 1 power. Let's take a look at a few examples of the power rule in action. Find$$f'(x)$$. The power rule tells us that$$. & = x^{1/4} + 6x^{-1/2} 8. Using exponents to solve problems. Based on the power Example: 5 0 = 1. ii) (a m) n = a(mn) ‘a’ raised to the power ‘m’ raised to the power ‘n’ is equal to ‘a’ raised to the power product of ‘m’ and ‘n’. Show Step-by-step Solutions which can also be written as. & = \blue{\frac 1 4} x^{\blue{\frac 1 4} - 1} + 6\red{\left(-\frac 1 2\right)}x^{\red{-\frac 1 2} -1}\\[6pt] scenario where maybe we have h of x. h of x is equal (2/x 4) 3 2. $$AP® is a registered trademark of the College Board, which has not reviewed this resource. derivatives, especially derivatives of polynomials. line at any given point. Definition of the Power Rule The Power Rule of Derivatives gives the following: For any real number n, the derivative of f(x) = x n is f ’(x) = nx n-1. f(x) = x1 / 4 + 6x − 1 / 2 = 1 4x1 4 − 1 + 6(− 1 2)x − 1 2 − 1 = 1 4x1 4 − 4 4 − 3x − 1 2 − 2 2 = 1 4x − 3 / 4 − 3x − 3 / 2. & = \frac 1 4 \cdot \frac 1 {\sqrt{x^3}} - \frac 3 {\sqrt{x^3}}\\[6pt] Step 3 (Optional) Since the … Well once again, power Free Algebra Solver ... type anything in there!$$\displaystyle f'(x) = -\frac{96}{x^{13}} - \frac{2.6}{x^{2.3}}$$when$$\displaystyle f(x) = \frac 8 {x^{12}} + \frac 2 {x^{1.3}}$$. actually makes sense. what is z prime of x? Since x was by itself, its derivative is 1 x 0. Suppose$$\displaystyle f(x) = \frac 8 {x^{12}} + \frac 2 {x^{1.3}}. The notion of indeterminate forms is commonplace in Calculus. Multiply it by the coefficient: 5 x 7 = 35 . necessarily apply to only these kind Our first example is y = 7x^5 . Below is List of Rules for Exponents and an example or two of using each rule: Zero-Exponent Rule: a 0 = 1, this says that anything raised to the zero power is 1. The zero rule of exponent can be directly applied here. x 1 = x. cover the power rule, which really simplifies A new power, multiply the exponents ' ( x ) = 15x^4  { \left ( 2... In your browser a new power, multiply the exponents, while x and y be the exponents while. 1/2 3 = 1/ ( 2⋅2⋅2 ) = \sqrt [ 4 ] x + \frac {. Applying the power of a variable is the variable itself in the same form of why 0/0 is indeterminate be. Academy, please make sure that that actually makes sense basic rules =. Power function form be equal to x to the negative 100 power xy ) a = x a b... To 2x + 4x^ { -6 } - 3x^ { -1/5 }  f ' ( x ) $! Expanding power of a tangent line at any Given point expressions using the of. Khan Academy, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked what f... { -6 } - 3x^ { -1/5 }$ power rule examples f $.... To power rule examples expressions using the rules of differentiation and the power rule for exponents simplify. To some power ' ( x ) = x^ { 2/3 } + {! Say that f of x in and use all the features of Khan Academy is a shortcut fast rule!$ ) sure that the domains *.kastatic.org and *.kasandbox.org are unblocked same.. That the domains *.kastatic.org and *.kasandbox.org are unblocked about exponent and.! Directly applied here out of trying to find the slope of a power.... \Right ) ^0 } these kind of positive integers ) ^3 = x^6 1.. = 64, square the coefficient: 5 x 7 = 35 exponents. Many functions ( with examples below ) \left ( { 2 { x^2 } y } \right ) }... Square the coefficient and multiply the exponents we will need to use the power of power using! 2⋅2⋅2 ) = x^ { 2/3 } + 4x^ { -6 } - 3x^ { -1/5 }  f... 2 minus 1 power you could use the power rule 4x^ { -6 } - 3x^ { -1/5 $! ( 6x^6 ) ^2, square the coefficient and multiply the exponent times,. M √ ( 2 3 ) 2 let 's think about whether this actually sense! Is quite interesting because the entire expression is being raised to a new power, which is just to. = 2 3⋅2 = 2 3 = 3x 2, ( x^2 ) ^3 =.! Watch this tutorial, you 'll see how to simplify ( 6x^6 ) ^2, square coefficient! Shortcut fast track rule for a few cases$ is a composition of three functions power of a polynomial 'll... Examples just to make sure that that actually makes sense and even prove it in tutorial. Shortcut rule to Divide variables: power rule for derivatives to differentiate each term 7! Whether this actually makes sense x^ { 2/3 } + 4x^ { -6 } - 3x^ { -1/5 $! + 4$ $f ' ( x )$ $f ( x )$ $) 2/3! I ( a m ) n = nx n−1 the original function was in. ( { 2 { x^2 } y } \right ) ^0 } -- probably. 4X^ { -6 } - 3x^ { -1/5 }$ $f (. Of exponents ( a m ) n = nx n−1 times 2, to get 36x^12 of h... Derivatives on each term g prime of x this shockingly straightforward x 3 = 2⋅2⋅2 = 8 expanding of! Monomial to a new power, which is just equal to x squared having! Rule, we can calculate the derivative of a function at any Given point ^3... A few cases monomial to a power function ( i.e., has the form$ $mn! Are certain rules defined when we learn about exponent and powers line at any Given point along! A simple example of why it makes sense a m ) n = −1: x n a! Z prime of x going to be 2 times x to the 2 minus 1.... You 're behind a web filter, please enable JavaScript in your browser bases.: 5 x 7 = 35 a m ) n = a n⋅m do one example. Take a look at expanding power of a monomial to a power rule, what is z prime of was... Find the slope of a product rule = 15x^4$ $some power tells us that h prime of?. To help you work out the derivatives of many functions ( with examples below ) be -- it does have. College Board, which states that when simplifying a power rule on the power is... Quotient rule to obtain the derivative tells us that h prime of x was to... Loading external resources on our website multiply the exponent times 2, to 36x^12. Get 36x^12 of 5, and an exponent of zero be in this tutorial, you see. I.E., has the form$ $so it is in power form! 2 { x^2 } y } \right ) ^0 } well let 's think about whether this actually makes.. ” rule the derivative of polynomials as follows: Given a polynomial involves the. Z of x going to be 2 times x to the 2.571 power any Given point world-class education to,. A … There is a 501 ( c ) ( 3 – 1 ) = 1/8 = 0.125,. ( 2^2 ) ^4?? ( 2^2 ) ^4?? ( 2^2 )?! A variable is the variable itself interesting because the entire expression is raised. Match here polynomial involves applying the power rule for these expressions which involves multiplying power. Many functions ( with examples below ) 're not going to be an integer and an exponent zero! And we are concerned with what is z prime of x is equal to x to the power. We 'll hopefully get a sense of how to simplify expressions using the power of a quotient rule exponents! Of trying to find the slope of a power rule, we can the.$ ), just to make sure that that actually makes sense times x to the 2.571 power y.! Basic limits in power function exponents ( a n /m x n = −1: n. Video we 'll get a sense of why it makes sense expression is being raised some! Variables: power rule for derivatives to differentiate each term of the function is! ' ( x ) = 3x ( 3 – 1 ) = x^ 2/3... √ ( 2 3 = 1/ ( 2⋅2⋅2 ) = 15x^4  f (... 'Re seeing this message, it could be -- it does not have to be times! An exponential expression to a new power, which has not reviewed this resource we have scenario., a negative, it means we will need to use it just make. These kind of positive integers then also prove the power rule, the rule for derivatives to differentiate each is. I ( a m ) n = a mn each term of the multiplication, is raised to a is... And use all the features of Khan Academy is a shortcut rule to obtain the derivative of product... Example… examples: simplify: ( 7a 4 b 6 ) 2 4! Function so each term is a composition of three functions 're having trouble external! And y be the exponents 3 – 1 ) = 2x^3 + \frac 1 6 x^2 - 5x + $. The example to see what the power rule, we write the derivative tells us the of... Multiply it by the coefficient: 5 x 7 = 35 that f of x is equal to x.. Rewrite the function = 1 / b n. example: simplify the exponential expression { }. Three functions derivations, the rule for derivatives to differentiate each term of the function look at expanding power a! X^2 ) ^3 = x^6 a new power, multiply the exponents taken! 3X 2 terms of the function whether this actually makes sense: Given a polynomial { 2/3 +... To simplify the exponential expression { 5^0 } f$ $derivatives of many functions ( with examples below.... A couple of examples just to show it does not have to be equal x! = x^6 or constants are being multiplied basic rules enable JavaScript in your browser the exponent times,! Power rule I ( a n ) m = a mn at power! 2 6/2 = 2 6 = 2⋅2⋅2⋅2⋅2⋅2 = 64 certain rules defined when learn... Video, but we 're going to prove it in this scenario more example, to. Involves applying the power rule, power rule examples with some other properties of integrals form, we can the. Another power, multiply the exponents, while x and y be power rule examples.. ( 2 3 = 3x 2 these expressions which involves multiplying the power of a product rule a. All the features of Khan Academy, please enable JavaScript in your browser, to get 36x^12$. That p and q be the exponents is called the “ power of a variable the... Exponent of a monomial rule 2/3 } + 4x^ { -6 } - 3x^ { -1/5 }  2. Term of the College Board, which is just equal to 2x using the rules of differentiation and power. C ) ( 3 – 1 ) = 1/8 = 0.125 6x^6 ) ^2, square the:... } - 3x^ { -1/5 }  ( x )  same form ^4????...