If (x square +y square) (a square+b square)=(ax+by)square, prove that, xa=yb Share with your friends Share 0 Pooja Khanna answered this Refer the following link : https://www.meritnation.com/ask-answer/question/if-a2-b2-x2-y2-ax-by-2-prove-that-a-x-b-y/ratio-and-proportion/5586241 5 View Full Answer