Calculus, 10th Edition (Anton)

Published by Wiley
ISBN 10: 0-47064-772-8
ISBN 13: 978-0-47064-772-1

Chapter 2 - The Derivative - 2.4 The Product And Quotient Rules - Exercises Set 2.4 - Page 147: 13

Answer

$$=\frac{(3x-8)x}{(3x-4)^2}$$

Work Step by Step

According to the quotient rule, $$\frac{d}{dx}\frac{x^2}{3x-4}=\frac{(3x-4)\frac{d}{dx}(x^2)-x^2\frac{d}{dx}(3x-4)}{(3x-4)^2}$$ $$=\frac{(3x-4)(2x)-x^2(3)}{(3x-4)^2}$$ Simplified, $$=\frac{(6x^2-8x)-3x^2}{(3x-4)^2}$$ $$=\frac{3x^2-8x}{(3x-4)^2}$$ $$=\frac{(3x-8)x}{(3x-4)^2}$$
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