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March 6, 2015

Posted by **Todd** on Monday, April 23, 2012 at 1:13pm.

u= xy^2+x^2y

- calculus -
**Damon**, Monday, April 23, 2012 at 1:22pmdu/dx = y^2 + 2xy

d^2u/dx^2 = 2y

du/dy = 2xy + x^2

d^2u/dy^2 = 2x

- calculus - PS -
**Steve**, Monday, April 23, 2012 at 3:19pmLet's not forget

d^2u/dx/dy = d^2u/dydx = 2

- calculus -
**Drew**, Monday, April 23, 2012 at 3:34pmThis is just for study for exam coming up and says it could be worth up to 12 marks. Not understanding vry well the two

- calculus,PSS -
**Drew**, Monday, April 23, 2012 at 3:35pmhelp

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