Question
Asked Oct 27, 2019
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Find the derivative.

Find f'(x) if
8а — 4
f(x)In
9x2
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Find f'(x) if 8а — 4 f(x)In 9x2

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Expert Answer

Step 1

Given function is

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18х- 4 S(х)-In, 9х +2

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Step 2

We use the results of logarithm log(m)^n=nlogm and log(m/n)=logm-logn

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18x-4 f(x) n 9x2 8x-4 f(x)In 9x+2 8x-4 1 In 9x2 f() f(x)In(8x-4) In(9x+ 2) 2

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Step 3

Now, we find dy/dx by using the result that derivati...

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1 9 1 8 f(x) 29x +2 2 8x-4 4 9 f(x) 8x -4 18x4

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Tagged in

Math

Calculus

Derivative