Question
Find $f_{x x}, f_{y y}$, and $f_{z z}$ (where applicable).$$f(x, y)=e^{x-2 y}$$
Step 1
Using the chain rule, we have: $$f_x = \frac{\partial}{\partial x} e^{x-2y} = e^{x-2y}.$$ Show more…
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