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Author Question: Find the points at which the curve 5x2 + 6xy + 5y2 = 80 has horizontal tangent lines. (Read 105 times)

jerry coleman

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on: May 26, 2021

Question 1

Find the value of y" at   given that  x3 y + xy2 = 6.
◦
◦
◦
◦ -1
◦ 3

Question 2

Find the points at which the curve  5x2 + 6xy + 5y2 = 80  has horizontal tangent lines.
◦ (3, 5), (3, -5), (-3, 5), and (-3, -5)
◦ (3, 5), (5, -3), (-3, 5), and (-5, -3)
◦ (3, -5) and (-3,  5)
◦ (5, -3) and (-5, 3)
◦ The curve does not have horizontal tangent lines.
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Marked as best answer by jerry coleman on May 26, 2021

leannegxo

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Reply #1 on: May 26, 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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jerry coleman

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Reply 2 on: May 26, 2021
YES! Correct, THANKS for helping me on my review

alvinum

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Reply 3 on: Yesterday
Excellent

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