﻿ Let f (x) be a function such that f’(a) ≠ 0. Then at x = α ; f (x) : Kaysons Education

# Let f (x) Be A Function Such That f’(a) ≠ 0. Then At x = α ; f (x)

#### Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

#### Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

#### National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

#### Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

#### Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

## Question

### Solution

Correct option is

None of these

Even then at x = a

f (a) can have maximum or minimum value

f’ (x1) ≠ 0 but x1 – Local Minimum

#### SIMILAR QUESTIONS

Q1

As an example consider the function (x) = – (–x)5/5, –1 ≤ x ≤ 0. Then at (0, 0) (x) has

Q3

then f’(0) is equal to

Q4

Local minimum at x = 2, then

Q7

a minimum at x= 1 is the value of a is

Q8

Assuming that be petrol burnt in a motor boat varies as the cube of its velocity, the most economical speed when going against a current of ckm/hr is

Q10

The minimum value of