let $f(x,y) = xy - x^{3}y - xy^{3}$
I find that a LOCAL maximum is $(1/2,1/2)$
How do I know that point is the global maximum or the boundary of domain or $\infty $ is the global maximum? In the first quadrant
2026-04-06 09:00:16.1775466016
Problem finding the maximum of a function in the first quadrant
44 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in CALCULUS
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