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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
26 Oct 2021

Given information

The derivative is given,

Step-by-step explanation

Step 1.
(b)
The point at which  changes from negative to positive is the local minimum point and the point at which   changes from positive to negative is the local maximum point. Here at  changes from negative to positive and at   changes from positive to negative.
Hence the values of x for which f have a local minimum value is  and the values of $x$ for which $f$ have a local maximum value is  

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