Find the best quadratic approximation to f(x,y) = e5ycos(-4x) about the origin (0,0) and estimate the...

Find the best quadratic approximation to f(x,y) = e⁵^ycos(-4x) about the origin (0,0) and estimate the value when this approximation is used to calculate f(0.1,0.1).Do not do the error approximation. Also, find the extreme values of the function f(x,y,z) = 8y²-4xz +16z - 35 on the surface 2x²+4y²+4z² = 32

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Colby Messinger answered 10 months ago

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