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Author Question: Find and if z = f(x, y) = x2y3 sin(x - 2y). (Read 22 times)

jasdeep_brar

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Question 1

Find and  if z = f(x, y) = cos (ln(x2 + xy + y2)).
=   ;   =
= - ;   = -
= - ;   = -
= - ;   = -
= - ;   = -

Question 2

Find and  if z = f(x, y) = x2y3 sin(x - 2y).
= 2xy3 sin(x - 2y) + y3 cos(x - 2y),   = 3x2y2 sin(x - 2y) - 2x2 cos(x - 2y)
= 2xy3 cos(x - 2y),   = - 6x2y2 cos(x - 2y)
= 2xy3 sin(x - 2y) - x2y3 cos(x - 2y),   = 3x2y2 sin(x - 2y) + 2x2y3 cos(x - 2y)
= 2xy3 cos(x - 2y),   =  6x2y2 cos(x - 2y)
= 2xy3 sin(x - 2y) + x2y3 cos(x - 2y),   = 3x2y2 sin(x - 2y) - 2x2y3 cos(x - 2y)


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Marked as best answer by jasdeep_brar on May 27, 2021

Carissamariew

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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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jasdeep_brar

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Reply 2 on: May 27, 2021
:D TYSM


flexer1n1

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

 

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