1. Find the critical points of the function f(x, y) = x² + 4xy. 2. Find the local maximum and minimum values and saddle points (if any) of the function - - - f(x, y) = xy — 2x – 2y – x² − y² by - using the second derivatives test

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1. Find the critical points of the function
f(x, y) = x² + 4xy.
2. Find the local maximum and minimum
values and saddle points (if any) of the
function
f(x, y) = xy - 2x - 2y - x² - y² by
using the second derivatives test.
Transcribed Image Text:1. Find the critical points of the function f(x, y) = x² + 4xy. 2. Find the local maximum and minimum values and saddle points (if any) of the function f(x, y) = xy - 2x - 2y - x² - y² by using the second derivatives test.
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