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If in a right angled triangle, `a\ a n d\ b` are the lengths of sides and `c` is the length of hypotenuse and `c-b!=1,\ c+b!=1` , then show that `(log)_("c"+"b")"a"+(log)_("c"-"b")"a"=2(log)_("c"+"b")adot(log)_("c"-"b")adot`

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