Find the critical points of the function on the interval [-2x, 0]. Then analyze each point using the Second Derivative Test. f(x, y) = sin(x + y) - (Give your answer as a comma-separated list of points in the form (**) if necessary. Express numbers in exact form. Use symbolic notation and fractions where needed. Enter DNE if there is no such point.) local maximum: local minimum: saddle point:

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Find the critical points of the function on the interval [-2r, 0]. Then analyze each point using the Second Derivative Test.
f(x, y) = sin(x + y) -
(Give your answer as a comma-separated list of points in the form (**) if necessary. Express numbers in exact form. Use
symbolic notation and fractions where needed. Enter DNE if there is no such point.)
local maximum:
local minimum:
saddle point:
Transcribed Image Text:Find the critical points of the function on the interval [-2r, 0]. Then analyze each point using the Second Derivative Test. f(x, y) = sin(x + y) - (Give your answer as a comma-separated list of points in the form (**) if necessary. Express numbers in exact form. Use symbolic notation and fractions where needed. Enter DNE if there is no such point.) local maximum: local minimum: saddle point:
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