\( P Q R \) एक समकोण त्रिभुज है जिसका कोण \( P \) समकोण है तथा \( \mathrm{QR} \) पर बिंदु \( \ma...

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\( P Q R \) एक समकोण त्रिभुज है जिसका कोण \( P \) समकोण है तथा \( \mathrm{QR} \) पर बिंदु \( \mathrm{M} \) इस प्रकार स्थित है कि \( \mathrm{PM} \perp \mathrm{QR} \) है। दर्शाइए कि \( \mathrm{PM}^{2}=\mathrm{QM} \cdot \mathrm{MR} \) है।
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