Range of ${\sin ^{ - 1\,}}\left( {\frac{{1 + {x^2}}}{{2 + {x^2}}}} \right)$ is
Range of ${\sin ^{ - 1\,}}\left( {\frac{{1 + {x^2}}}{{2 + {x^2}}}} \right)$ is
- A
$\left[ { - \frac{\pi }{6},\frac{\pi }{6}} \right]$
- B
$\left[ {0,\frac{\pi }{2}} \right)$
- C
$\left[ { - \frac{\pi }{2},\frac{\pi }{2}} \right]$
- D
$\left[ { \frac{\pi }{6},\frac{\pi }{2}} \right]$
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