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

Tinku Tara June 3, 2023 None 0 Comments

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

if f(x,y)=(xy)^3 +e^(xy) +sec((y/x)) find f_(xx) , f_(yy) , f_(xy) , f_(yx)

$${if}\:{f}\left({x},{y}\right)=\left({xy}\right)^{\mathrm{3}} +{e}^{{xy}} +{sec}\left(\frac{{y}}{{x}}\right)\:{find} \\ $$$${f}_{{xx}} \:\:,\:{f}_{{yy}} \:,\:{f}_{{xy}} \:\:,\:\:{f}_{{yx}} \\ $$

Commented by yutytfjh67ihd last updated on 29/Mar/21

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