Urgent!!!
Use the chain rule to find the indicated partial derivatives. да да д? 2 = y? tanr, donde x = t?ut, y = u+tu?; at диди? cuando t = 2, и = 1,v = 0. и x+y ди диди donde x = p +r+t, y = p — r+t, z = p +r — t; y + 2 др' деді" ӘР ӘР Ә?Р P = Vu2 + 2 + 2, con tu = z eº, c= ge", 10 = ^); дх” ду ду ду = 9
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