JEE Main & Advanced
Mathematics
Limits, Continuity and Differentiability
Question Bank
Numerical Value Type Questions - Continuity and Differentiability
question_answer
Let: \[f:(-1,1)\to R\] be a function defined by \[f(x)=\max \] If K be the set of all points at which f is not differentiable, then the number of elements in the set K is