Find the critical points of the functions below and classify them as relative minima,relative maxima or saddle points.O f(x,y) = (x - 1) + y - 3y - 9y +]5(i) g(x,y) = x' + y + 3x - 18y? + 81y +5(i) f(x, y) = (x - x+ 1)(y - 3y)(iv) f(x, y) = x* - 2x*y² + y* +y

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Answered: d the c ritical points of functions…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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d the c ritical points of functions below and clasSsify them as relativ ative maxima or saddle points. 0 f(x.y) (x- 1) + y' - 3y - 9y +15 (i) g(x,y) = x + y' + 3x - 18y + 81y +5