hi how do you know for 0 to 2 (1st int) and x^2 to 2x (2nd int) (x^3) dydx if you should have x now going from 0 to y^.5 or 0 to y/2 and likewise y going from 0 to 2x or 0 to x^2?

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- Mar 8th 2008, 07:41 PMcandireversing order of integration
hi how do you know for 0 to 2 (1st int) and x^2 to 2x (2nd int) (x^3) dydx if you should have x now going from 0 to y^.5 or 0 to y/2 and likewise y going from 0 to 2x or 0 to x^2?

- Mar 8th 2008, 07:52 PMmr fantastic
- Mar 8th 2008, 07:58 PMcandi
i did draw a sketch. and the graphs are both at the origin. but i'll look at what you wrote again to see if i'll understand it better. thanks.

- Mar 9th 2008, 08:44 AMKrizalid
It's pretty clear having a sketch, you'll see mr fantastic's result is correct.