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calc 3 help

Oscar1613

Golden Member
originally posted this in OT, but they say i might get more help in here (it is quite complex after all), sooo....

my teacher gave us a b!tch of a problem on our last test and since no one got it 100% right, he told us to try to figure it out for homework... the more i try, the uglier this problem looks... PLEASE tell me theres an easy way to do this problem that i'm not seeing...

Find the absolute max/min values of f(x,y)=e^(-x^2 - y^2)*(x^2 + 2y^2) on the disk D with x^2 + y^2 <= 4

😕 any help is very much appreciated 🙂
 
Not sure this is highly technical but...

I just took Calc3 last semester but I'm too lazy to work that problem out. Just glancing it over it looks like you're gonna want to convert to polar coordinates (actually probably cylindrical) to make your life a lot easier however that "2y^2" part is going to mess things up a bit possibly.
 
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