The function f(x)=1+|tanx| is...

The function `f(x)=1+|tanx|` is

A

Continuous everywhere

B

Discontinuous when `x=npi,n epsilon Z`

C

Not differntiable when `x=(2n+1)(pi)/2, n epsilon Z`

D

Discontinuous at `x=(2n+1)(pi)/2, n epsilon Z` and not differntiable at `x=(npi)/2, n epsilon Z`

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The correct Answer is:

D

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