MCQ
અસમતા $(cot^{-1}x)^2 -5cot^{-1}x + 6 > 0$ નો ઉકેલગણ મેળવો.
- A$(\cot\, 3, \cot\, 2)$
- B$(-\infty, \cot\, 3) \cup (\cot \,2, \infty)$
- C$(\cot\, 2, \infty)$
- DNone
$\left(\cot ^{-1} x-3\right)\left(\cot ^{-1} x-2\right)>0$
$\cot ^{-1} x<2 $ and $ \cot ^{-1} x>3$
$x>\cot 2 $ and $ x<\cot 3$
$x \in(-\infty, \cot 3) \cup(\cot 2, \infty)$
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