which of the following function(s) not ...

which of the following function(s) not defined at `x=0` has/have removable discontinuity at `x = 0`.

A

`f(x) = (1)/(1+2^(cot x))`

B

`f(x) = "cos"(((|sin x|))/(x))`

C

`f(x) = "x sin"(pi)/(x)`

D

`f(x) = (1)/("In"|x|)`

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The correct Answer is:

B, C, D

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