Asked by Todd

Just doing example questions to better understand. Find all first and second partial derivatives for the function
u= xy^2+x^2y
Answered by Damon
du/dx = y^2 + 2xy
d^2u/dx^2 = 2y

du/dy = 2xy + x^2
d^2u/dy^2 = 2x
Answered by Steve
Let's not forget

d^2u/dx/dy = d^2u/dydx = 2
Answered by Drew
This is just for study for exam coming up and says it could be worth up to 12 marks. Not understanding vry well the two
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