The function f(x, y) have fx = fy = 0. fxx > 0 and fxxfyy – (fxy)“ > 0 at the point (a, b), then the function at this point is A Local max value B Local min value C Saddle point D None of these

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The function f(x, y) have fx = fy = 0. fxx > 0 and fxxfyy – (fxy)“ > 0 at the point
(a, b), then the function at this point is
A Local max value
B Local min value
C Saddle point
D None of these
Transcribed Image Text:The function f(x, y) have fx = fy = 0. fxx > 0 and fxxfyy – (fxy)“ > 0 at the point (a, b), then the function at this point is A Local max value B Local min value C Saddle point D None of these
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