Not sure how to integrate this... I tried a u substitution for but couldn't find anything to replace with.

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- Nov 30th 2011, 07:34 PMdeezyTricky integration

Not sure how to integrate this... I tried a u substitution for but couldn't find anything to replace with. - Nov 30th 2011, 07:50 PMAmerRe: Tricky integration
try sub u=4-r^2

so r^2 = 4-u - Nov 30th 2011, 07:56 PMProve ItRe: Tricky integration
- Nov 30th 2011, 10:47 PMIntrusionRe: Tricky integration
You can also do

so - Nov 30th 2011, 11:28 PMProve ItRe: Tricky integration