mathbook gives:

where does that minus come from ?

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- December 9th 2006, 06:06 AMtotalnewbieWhat's wrong with that integral

mathbook gives:

where does that minus come from ? - December 9th 2006, 06:30 AMtopsquark
You essentially got it right, just (I assume) two small typos that screwed you up.

so .

Make the new substitution and everything will work out.

Your second typo was here:

According to your work, the sign of the term should have been a "+", which is why you got the sign of that term correct.

-Dan