यदि \( y=\sqrt{\cot x+\sqrt{\cot x+\sqrt{\cot x+\ldots \infty}}} \), तब सिद्ध कीजिये कि \[ \frac...
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यदि \( y=\sqrt{\cot x+\sqrt{\cot x+\sqrt{\cot x+\ldots \infty}}} \), तब सिद्ध कीजिये कि
\[
\frac{d y}{d x}=\frac{\operatorname{cosec}^{2} x}{1-2 y}
\]
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