Find all points (x, y) where f (x, y) has a possible relative maximum or minimum. Then,
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Find all points (x, y) where f (x, y) has a possible relative maximum or minimum. Then, use the second-derivative test to determine, if possible, the nature of f (x, y) at each of these points. If the second-derivative test is inconclusive, so state.
f (x, y) = x2 + 4xy + 2y4
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fx y x2 4xy 21 4 af 2x4y af a2f x 2 4x8y3 a2f a2f 2 241 4 2 r2y 2x4y0 4...View the full answer
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Related Book For
Calculus And Its Applications
ISBN: 9780134437774
14th Edition
Authors: Larry Goldstein, David Lay, David Schneider, Nakhle Asmar
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