MCQ
Which of the following function is not continuous at x = 0?
- ✓$f ( x ) \begin{cases}=\frac{e^{1 / x}-1}{e^{1 / x}+1}, & x \neq 0 \\ =-1, & x=0\end{cases}$
- B$f ( x ) \begin{cases}=\sin x-\cos x, & x \neq 0 \\ =-1, & x=0\end{cases}$
- C$f ( x ) \begin{cases}=\frac{e^{5 x}-e^{2 x}}{\sin 3 x}, & x \neq 0 \\ =1, & x=0\end{cases}$
- D$f ( x )= \begin{cases}=(1+2 x)^{1 / x}, & x \neq 0 \\ =e^2, & x=0\end{cases}$