MCQ
$\sin \left\{ {{{\tan }^{ - 1}}\left( {\frac{{1 - {x^2}}}{{2x}}} \right) + {{\cos }^{ - 1}}\left( {\frac{{1 - {x^2}}}{{1 + {x^2}}}} \right)} \right\} =\ . . .....$
- A$0$
- ✓$1$
- C$\sqrt 2 $
- D$\frac{1}{{\sqrt 2 }}$
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જો $P(-1) < P(1) $ હોય, તો અંતરાલ $[-1, 1]$ માં :-