If the root of equation (a2 +b2)x2 - 2(ac+bd)x +(c2 +d2)=0 have equal roots then proof that a/b =c/d

If the root of equation (a2 +b2)x2 - 2(ac+bd)x +(c2 +d2)=0 have equal

1.	If the root of equation (a2 +b2)x2 - 2(ac+bd)x +(c2 +d2)=0 have equal roots then proof that a/b =c/d
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