Find all the first order partial derivatives for the following function. Partial

Question

Find all the first order partial derivatives for the following function.

Partial differential f/partial differential x = 0; partial differential f/partial differential y = - x/y partial differential f/partial differential x = In y; partial differential f/partial differential y = - x in y partial differential f/partial differential x = In y; partial differential f/partial differential y = - x/y partial differential f/partial differential x = In y; partial differential f/partial differential y = x/y

Explanation / Answer

given f(x) = ln yx

fx = df/dx = 1/yx *( yx lny ) = lny

fy = df/dy = 1/yx * xyx-1 = x/y

ans : D

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