Let f (x) = \{\table x^2 \/\cos \pi/x\/ , x \neq 0 ; 0 , x = 0 x ∈ R, then f is [JEE Adv 2012 P1]

Correct Answer is : differentiable at x = 0 but not differentiable at x = 2.

differentiable both at x = 0 and at x = 2.

differentiable at x = 0 but not differentiable at x = 2.

not differentiable at x = 0 but differentiable at x = 2.

differentiable neither at x = 0 nor at x = 2.

IIT JEE Advanced 2012 Paper 1

Section: Mathematics

Question : 47 of 60

Marks: +1, -0

Let f (x) = {

x2∕cos

∕

x≠0

x=0

x ∈ R, then f is

[JEE Adv 2012 P1]

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