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Author Question: Find and classify the critical points of the function f(x, y) = x sin y. (Read 64 times)

vHAUNG6011

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Question 1

Is the origin a critical point of the function  f(x, y) = x2 + xy + y2? If so, classify it.
◦ yes, a local maximum
◦ yes, a saddle point
◦ yes, a local minimum
◦ no

Question 2

Find and classify the critical points of the function  f(x, y) =  x sin y.
◦ local minima at  (0, nπ)  for nonzero integers n, saddle point at  (0, 0)
◦ saddle points at all points   (0, nπ)  for integers  n
◦ only critical point is  (0, 0),  a saddle point
◦ local maxima at  (0, nπ)  for even integers  n,  local minimum at  (0, nπ)  for odd  integers  n
◦ local minima at  (0, nπ)  for even integers  n,  local maximum at  (0, nπ)  for odd  integers  n


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Marked as best answer by vHAUNG6011 on May 27, 2021

lorealeza77

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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vHAUNG6011

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Reply 2 on: May 27, 2021
Great answer, keep it coming :)


vickyvicksss

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Reply 3 on: Yesterday
Excellent

 

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