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Let f(x) = lambda + mu|x| + v |x|^(2) "...

Let ` f(x) = lambda + mu|x| + v |x|^(2) " where " lambda, mu, v ` are real constants, then f(0) exists if

A

`mu=0`

B

`v=0`

C

`lamda=0`

D

`mu=v`

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The correct Answer is:
A
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