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[" In a right triangle "ABC" ,right-angled at "B" ,"],[D" is a point on hypotenuse such that "],[BD perp AC" .If "DP perp AB" and "DQ perp BC" then "],[" prove that "],[[" (a) "DQ^(2)=DP*QC," (b) "DP^(2)=DQ*AP," P."],[" B."," B."]]

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