MCQ
$f(x) = \sqrt {log \left( \frac {1}{|sin \ \ x|} \right)}$ નો પ્રદેશ................
- A$ R - [-\pi , \pi]$
- ✓$ R - \left\{n\pi : n \in I\right\}$
- C$ R - \left\{2n\pi : n \in I\right\}$
- D$ \left(- \infty, \infty\right)$
$ log \left( \frac {1}{|sinx|} \right) \geq 0$
$ \frac {1}{|sinx|} \geq 1$ અને $ |sinx|$ $0$
$ x$ $n \pi, n \in I$
$f$ નો પ્રદેશ $ = R - \left\{ n\pi : n \in I\right\}$
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