if-f-x-y-xy-3-e-xy-sec-y-x-find-f-xx-f-yy-f-xy-f-yx-

Question Number 137010 by mohammad17 last updated on 28/Mar/21

i f f (x, y) = {(x y)}^{3} + e^{x y} + s e c (\frac{y}{x}) f i n d

f_{x x}, f_{y y}, f_{x y}, f_{y x}

Commented by yutytfjh67ihd last updated on 29/Mar/21