यदि \( y \sqrt{1-x^{2}}+x \sqrt{1-y^{2}}=1 \), तब सिद्ध कीजिये कि- \[ \frac{d y}{d x}+\sqrt{\lef...
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यदि \( y \sqrt{1-x^{2}}+x \sqrt{1-y^{2}}=1 \), तब सिद्ध कीजिये कि-
\[
\frac{d y}{d x}+\sqrt{\left(\frac{1-y^{2}}{1-x^{2}}\right)}=0
\]
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