Q9.
Help asap!
Ans: ABC.

9. Which of the following function(s) can't be defined at x = 0 to make it continuous at x = 0?
(A) $f\left(x\right)=\frac{1}{1+2^{\frac{1}{x}}}$
(B) $f\left(x\right)={\tan }^{-1}\frac{1}{x}$
(C) $f\left(x\right)=\frac{e^{\frac{1}{x}}-1}{e^{\frac{1}{x}}+1}$
(D) $f\left(x\right)=\frac{1}{ln\left|x\right|}$