Question Id : 12251 |
Context : JEE Main 4 September 2020 (Evening)
The function $f(x) = \left\{ {\matrix{ {{\pi \over 4} + {{\tan }^{ - 1}}x,} & {\left| x \right| \le 1} {{1 \over 2}\left( {\left| x \right| - 1} \right),} & {\left| x \right| > 1} } } \right.$is :
🎥 Video solution / Text Solution of this question is given below:
4