How do you know when you can move something outside the integral to be later multiplied by the integrated function?

For example,

vs.

And please remember, this is Calculus I. Thanks.

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- Apr 9th 2006, 09:11 PMcindersimple integration question
How do you know when you can move something outside the integral to be later multiplied by the integrated function?

For example,

vs.

And please remember, this is Calculus I. Thanks. - Apr 9th 2006, 09:34 PMearbothQuote:

Originally Posted by**cinder**

if you've got a constant factor (-3 or 2 or or e or ...) then you can put it outside the integral.

With sums you can sometimes split the integral into two or more (maybe simpler) integrals.

Greetings

EB - Apr 9th 2006, 09:40 PMcinderQuote:

Originally Posted by**earboth**

- Apr 9th 2006, 09:50 PMearbothQuote:

Originally Posted by**cinder**

you've got it. Exactly what you should (or can) do.

Greetings

EB - Apr 9th 2006, 09:52 PMcinderQuote:

Originally Posted by**earboth**