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Author Question: Find all horizontal planes that are tangent to the surface z = x3 - 3xy2 + 6y2 + 1. (Read 23 times)

Themember4

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on: May 27, 2021

Question 1

Find all points where the surface  z = xy e-(x2 + 2y2) has a horizontal tangent plane.
◦ ,  
◦ ,  ,  ,  ,  (0, 0)
◦ ,  ,  (0, 0)
◦ ,  ,  ,  
◦ The tangent plane is  never horizontal.

Question 2

Find all horizontal planes that are tangent to the surface  z = x3 - 3xy2 + 6y2 + 1.
◦ z = 1  and  z = 3
◦ z = 9
◦ z = 1
◦ z = 3
◦ z = -15
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Marked as best answer by Themember4 on May 27, 2021

chem1s3

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Reply #1 on: May 27, 2021
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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Themember4

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Reply 2 on: May 27, 2021
Wow, this really help

skipfourms123

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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