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DeltaPQR is a right angled triangle, ri...

`DeltaPQR` is a right angled triangle, right angled at Q
such that QR = b and `A(DeltaPQR)` = a if QN `bot` PR
then show that `QN=(2a.b)/(sqrt(b^(4)+4a^(2)))`

Text Solution

Verified by Experts

The correct Answer is:
`(2ab)/(sqrt(b^(4)+4a^(2)))`
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