   Chapter 11.4, Problem 103E Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203

Solutions

Chapter
Section Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203
Textbook Problem

Say why the following was marked wrong, and give the correct answer. d d x [ ( 3 x 3 − x ) 3 ] = 3 ( 9 x 2 − 1 ) 2 X WRONG!

To determine

The reason for marking the function ddx[(3x3x)3] wrong and its correct answer.

Explanation

Given Information:

Function with wrong derivative:

ddx[(3x3x)3]=3(9x21)2

Consider the function, ddx[(3x3x)3]

The chain rule of the variable is,

ddx(xn)=nxn1

Compute the derivative by applying chain rule,

ddx[

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