1.

यदि ` x^(y) =e^(x-y) ` तब `dy//dx=`A. ` (log x)/((1+log x )^(2))`B. ` (x-y)/((1+log x )^(2))`C. ` (x+y )/( (1+log x )^(2))`D. ` (1)/((1+log x ))`

Answer» Correct Answer - A


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