CBSE Class 10 Answered
A triangle is a right angled at Q. X and Y are points on PQ and QR such that PX:XQ=1:2 and QY:YR=2:1. Prove that 9(PY square + XR square)= 13PR square.
Asked by david wr | 15 Sep, 2012, 06:57: PM
Expert Answer
Answered by | 16 Sep, 2012, 09:15: PM
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