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## Homework Statement

let f(x)=(x+1)^2(x-2)

a)Find the max and Min values of f(x)

b)Find the inflection point of concavity

## Homework Equations

using defferentiation

## The Attempt at a Solution

for part a) differentiate (x+1)^2(x-2) we get ans=3(x-1)(x+1) Plse check for me?

than f'(x)=0 therefore the points i got is x=1 and x=-1 respective??

the second part not sure..plse assist.