Suppose that f(x, y) = x² – xy + y² – lx + ly {(x, y) | 0 < y < æ < 1}. - - with D 1. The critical point of f(x, y) restricted to the boundary of D, not at a corner point, is at a, b). Then a = 1 2 and b 2. Absolute minimum of f(x, y) is and absolute maximum is 1
Suppose that f(x, y) = x² – xy + y² – lx + ly {(x, y) | 0 < y < æ < 1}. - - with D 1. The critical point of f(x, y) restricted to the boundary of D, not at a corner point, is at a, b). Then a = 1 2 and b 2. Absolute minimum of f(x, y) is and absolute maximum is 1
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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