Question
Sat September 15, 2012 By: David Wr
 

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.

Expert Reply
Sun September 16, 2012
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