## Question

###### U=x+yz, Use the Chain Rule to find the indicated partial derivatives. x = pr cos ,...

u=x+yz, Use the Chain Rule to find the indicated partial derivatives. x = pr cos , y = pr sin , 2-р+г ди диди др Әr" әө when p = 1, т. 3, = 0 ди др І ди ar ди Ә0

## Answers

6:55 PM Fri 31 Jul 093% < Notes Done a=pr Casa On U= x² + yz y = prsina z=ptr Р=1, Y= 3, 8 = 0 О 7 = 9 2 аг Әр f ou a ди ada ду др 1 — a = 3 , 8- 5000 [email protected] ои да. ОР дур = 3x” x Coo 0 1 2 x Simb + с 81 ТОТО 81 Ju да ди да ,ду «ди. д д: 37 ду дух — 3° pcon 8 + 2 psing ty да а2 oo д2 о ТО + с 276:57 PM Fri 31 Jul 093% ( Notes Done og Әи - да - да + ди ду + ди . д-2 Ә9 or do до да дю - 32. (-prSw0) + 2 Срт (9) + 4:0 — 12 - о+ 12+ 0

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