JEE Main & Advanced
Mathematics
Functions
Question Bank
Continuity
question_answer
If function \[f(x)=\left\{ \begin{align} & \frac{{{x}^{2}}-1}{x-1},\,\,\text{when}\,\,x\ne 1 \\ & \,\,\,\,\,\,\,\,\,\,\,\,k,\,\text{when}\,\,x=1 \\ \end{align} \right.\]is continuous at \[x=1\], then the value of k will be