Is there a way to split this integral ?
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Hello, Originally Posted by nyasha Is there a way to split this integral ? For the first one, substitute x=2sin(u) For the second one, substitute t=sqrt(4-x^2) (or just t=4-x^2)
Originally Posted by Moo Hello, For the first one, substitute x=2sin(u) For the second one, substitute t=sqrt(4-x^2) (or just t=4-x^2) For the first integral can l substitute x=Rsinθ ?
Originally Posted by nyasha For the first integral can l substitute x=Rsinθ ? that's what I meant... but R is such that Rē=4, so R=2
Originally Posted by Moo that's what I meant... but R is such that Rē=4, so R=2 Will l be correct if l say this integral is zero so l can try to ignore it ?
That thing does not go to zero.
Originally Posted by nyasha Will l be correct if l say this integral is zero so l can try to ignore it ? does not imply that eg. It should be obvious that .
Originally Posted by Moo Hello, For the first one, substitute x=2sin(u) For the second one, substitute t=sqrt(4-x^2) (or just t=4-x^2) Thanks
Last edited by nyasha; Feb 20th 2009 at 08:48 PM.
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