﻿ A cubic f (x) vanishes at x = –2 and has relative maximum/minimum x = –1 and   Find the cubic f (x).  : Kaysons Education

# A Cubic f (x) Vanishes At x = –2 And Has Relative Maximum/minimum x = –1 And   Find The Cubic f (x).

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## Question

### Solution

Correct option is

(x) is a cubic polynomial.

Therefore, f’(x) is a quadratic polynomial and (x) has relative maximum and minimum at  respectively,

Now integrating w.r.t. x we get,

Again f (–2) = 0 (given)

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