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Let [] donots the greatest integer funct...

Let [] donots the greatest integer function and `f (x)= [tan ^(2) x],` then

A

`underset(x rarr 0)(lim) f(x)` doesn't exist

B

f(x) is continuous at x = 0

C

f(x) is not differentiable at x = 0

D

`f'(0) = 1`

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The correct Answer is:
B
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ARIHANT MATHS ENGLISH-CONTINUITY AND DIFFERENTIABILITY-Exercise (Questions Asked In Previous 13 Years Exam)
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