1.

यदि ` y = (e^(x))/x, " तो " (dy)/(dx) ` का मान ज्ञात कीजिए ।

Answer» `( dy) /(dx) = (xd/dx-e^(x) d/dxx)/(x^(2))`
` (xe^(x) - e^(x).1)/x^(2) = (e^(x)(x-1))/x^(2)`


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