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M and N are point on sides QR and PQ res...

M and N are point on sides QR and PQ respectively of `/_\ PQR`, right-angled at Q. Prove that :
`PM^(2)+RN^(2)=PR^(2)+MN^(2)`

Text Solution

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The correct Answer is:
`PM^(2)+RN^(2)=PR^(2)+MN^(2)`
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