al If any and I are in cadires proportionpiedie dele 2 y= 2:7xy? Xtz – InterviewSolution

1.	al If any and I are in cadires proportionpiedie dele 2 y= 2:7xy? Xtz
Answer» x=4k, y=zk, L.H.S., x^2-y^2/x^2+ y^2=(zk^2)^2-(zk)^2/(2k^2)^2+(z4)^2=z^2k2/z^2k^4+ z4^2=x^2-1/ x^2+1)

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