Question

Find all the first and second order partial derivatives of the function f(x,y) = 2x^3+ 3x^2 y^2 + 3x + 2/y + 4
just plug and chug. Is there some reason you didn't show your work?
Fx = 6x + 6xy^2 + 3
Fy = 6x^2 y - 2/y^2
Fxx = 6 + 6y^2
Fxy = 12xy
Fyy = 6x^2 + 4/y^3

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