Math, asked by shruti30350, 6 months ago

c) ∆PQR is a night angled ∆ at R. If p is the length of
perpendicular from R to PQ and a,b,c has usual
meaning then Prove that 1/p²= 1/a² + 1/b²

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Answered by ssritharina

2

Answer: i don't know

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