Please find and classify all the critical points for Q19 and Q20 5-20 Find the local...

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5-20 Find the local maximum and minimum values and saddle point(s) of the function. If you have three-dimensional graphing so

Please find and classify all the critical points for Q19 and Q20

math calculus

Answer 1

Answer #1

Q19. f(x y)y2 -2y cosx -1sxs7 Differetiate f(x, y) partially to get f-2y sinx f = 2y cosx f 2y-2cosx f2fy 2sinx For critical

Answer 2

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