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Let f(x) = lambda + mu|x|+nu|x|^2, where...

Let `f(x) = lambda + mu|x|+nu|x|^2`, where `lambda,mu, nu in R`, then `f'(0)` exists if

A

`mu=0`

B

`v=0`

C

`lamda=0`

D

`mu=v`

Text Solution

Verified by Experts

The correct Answer is:
A
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