If-z-xy-7x-4y-evaluate-z-x-and-z-y-

Question Number 181015 by Mastermind last updated on 20/Nov/22

If z = xy - 7 x + 4 y, evaluate \frac{\partial z}{\partial x} and \frac{\partial z}{\partial y}

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Answered by CrispyXYZ last updated on 20/Nov/22

\frac{\partial z}{\partial x} = y - 7, \frac{\partial z}{\partial y} = x + 4