Q. 543.8( 6 Votes )

If xy = ex –

Answer :

The given function is xy = ex – y


Taking log on both sides, we obtain


log (xy)= log


log x + log y = (x-y) log e


log x + log y = (x-y)1


log x + log y = x-y


Differentiating both sides with respect to x, we obtain







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