# 2. For each function, find all critical points and use the Hessian to determine whether they... 2. For each function, find all critical points and use the Hessian to determine whether they are local maxima, minima, or saddle points. (a) f(x,y,z) = x — 2 sin x – 3yz (b) g(x, y, z) = cosh x + 4yz – 2y2 – 24 (c) u(x, y, z) = (x – z)4 – x2 + y2 + 6x2 – 22   ##### Add Answer of: 2. For each function, find all critical points and use the Hessian to determine whether they...
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Find the critical points and classify them as local maxima,local minima, or saddle points.f(x,y)=(x+y)(xy+1)Everytime I try to calculate this, I get something reallyweird...

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