JEE Main & Advanced
JEE Main Paper (Held On 10-Jan-2019 Evening)
question_answer
Let \[f:\left( -1,\text{ }\,1 \right)\to R\] be a function defined by\[f(x)=max\left\{ -|x|-\sqrt{1-{{x}^{2}}} \right\}\]. If K be the set of all points at which f is not differentiable then K has exactly-
[JEE Main Online Paper (Held On 10-Jan-2019 Evening]