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Author Question: The temperature in the xy-plane is a function T(x, y). At the point (a, b) the directional ... (Read 33 times)

Mr.Thesaxman

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on: May 27, 2021

Question 1

At the point  (1, 2)  the function  f(x, y)  has a directional derivative of 2 in the direction toward  (2, 2)  and a directional derivative of  -2  in the direction toward  (1, 1).  Find the directional derivative of  f  at (1, 2)  in the direction toward the point  (4, 6).
◦ 4
◦
◦ -
◦
◦ -

Question 2

The temperature in the xy-plane is a function  T(x, y). At the point  (a, b)  the directional derivative of  T  in the direction of the vector 3 i + 4 j  is 4 and the directional derivative in the direction of  5 i - 12 j is -2.  Find ∇T(a,b).
◦ (28 i + 37 j)
◦ (43 i - 17 j)
◦ (-53 i + 117 j)
◦ (68 i + 89 j)
◦ - (172 i + 89 j)
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Marked as best answer by Mr.Thesaxman on May 27, 2021

Zebsrer

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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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Mr.Thesaxman

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Reply 2 on: May 27, 2021
Excellent

Jsherida

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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