
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:Question 8
Apply a second derivative to identify a critical points as a local maximum, local minimum or saddle point
for a function.
Local maximums:
Find and classify the critical points of z = (x² − 7x) (y² – 6y).
Local minimums:
▼
Saddle points:
< >
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For each classification, enter a list of ordered pairs (x, y) where the max/min/saddle occurs. Enter DNE if
there are no points for a classification.
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