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anonymous
 5 years ago
please solve by partial diffrentiation (4x^3y^2ycosxy) w.r.t y
anonymous
 5 years ago
please solve by partial diffrentiation (4x^3y^2ycosxy) w.r.t y

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I'll do it part by part... 1. partial differentiate the first part.. x is considered a constant... 8x^3y(ycosxy)'... 2. the first part is done, now just differentiate the second part, which requires product rule (f'g + fg'). so f = y and g = cosxy and f'=1 and g'=xsinxy 8x^3y  (cosxy+y(xsinxy))... 3. clean it up. don't know how much u want it cleaned up though 8x^3ycosxy+xysinxy

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0weather girl please solve even this...(y/(xy)^2)1/\[\sqrt{(1x^2)}\]
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