Question
$\mathop {\lim }\limits_{x \to 0} \frac{{{a^{\sin x}} - 1}}{{{b^{\sin x}} - 1}} = $
$ = {\log _e}a \times \frac{1}{{{{\log }_e}b}} = \frac{{\log a}}{{\log b}}$.
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$\frac{x-1}{k}=\frac{y-4}{2}=\frac{z-5}{1}$ समतलीय है तो, $k$ का
$\int \frac{\sin \theta \cdot \sin 2 \theta\left(\sin ^{6} \theta+\sin ^{4} \theta+\sin ^{2} \theta\right) \sqrt{2 \sin ^{4} \theta+3 \sin ^{2} \theta+6}}{1-\cos 2 \theta} d \theta$ बराबर है
(जहाँ $c$ एक समाकलन अचर है)