11) Locate all relative maxima and minima of (a) f (x,y) = 3xey – x3 – e3y (b) f(x, y) = 4x²e – 2x – e4y

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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11) Locate all relative maxima and minima of:
(a) f(x, y) = 3xey – x3 – e3y
%3D
(b) f(x, y) = 4x²e – 2x4 - e4y
Transcribed Image Text:11) Locate all relative maxima and minima of: (a) f(x, y) = 3xey – x3 – e3y %3D (b) f(x, y) = 4x²e – 2x4 - e4y
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