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Let f(x) be continous function for all x...

Let f(x) be continous function for all x `ne` R and f(0) =1 Then `g(x) =f(x) -sqrt(1-cos 2x)/(2)` at x=0 is

A

differentiable at x = 0 arid its value is 1

B

differentiable at x = 0 and its value is 0

C

non-differentiable at x = 0 as its graph has sharp turn atx = 0

D

non-differentiable at x = 0 as its graph has vertical tangent at x = 0

Text Solution

Verified by Experts

The correct Answer is:
b
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