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Which of the following function (s) has/...

Which of the following function (s) has/have removable discontinuity at `x=1` (A) `f(x)=1/(ln(|x|)` (B) `f(x)= (x^2-1)/(x^3-1)` (c) `f(x)= 2^(-2^(1/(1-x)))` (D) `f(x)=(sqrt(x+1)-sqrt(2x))/(x^2-x)`

A

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

B

`f(x) =(x^(2)-1)/(x^(3)-1)`

C

`f(x) =2^(-2^((1)/(1-x)))`

D

`f(x) =(sqrt(x+1)-sqrt(2x))/(x^(2)-x)`

Text Solution

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The correct Answer is:
A, B, C, D
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