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Let [x] denotes the greatest integer les...

Let [x] denotes the greatest integer less than or equal to x and f(x)=`[tan^(2)x]`.Then

A

` lim_( x to 0) ` f(x) does not exist

B

f(x) is continuous at x=0

C

f(x) is not differentiable at x=0

D

`f'(0) =1`

Text Solution

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The correct Answer is:
B
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