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forum.virtualchallengemeets.com • View topic - Integrating 1/x

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Integrating 1/x

What could be so hard. It's a multiple-choice test for Pete's sake.
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Integrating 1/x

Postby bradp » Thu Mar 22, 2007 5:06 pm

#16 from 2006 District 1:
integral of -2/x = ______ + C

Answer is ln (x^-2)

The first thing i thought was -2ln(|x|) .. that's what the ti 89 says...

why is it x^-2?
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Postby kashhustler » Thu Mar 22, 2007 5:17 pm

they're the same thing

log base a of b^c = c log base a of b
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Postby bradp » Thu Mar 22, 2007 5:19 pm

i feel smart now
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Postby Michael T » Thu Mar 22, 2007 5:51 pm

you should, brad, you should. :D
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Postby bradp » Thu Mar 22, 2007 5:59 pm

Everyone slips up now and then..

We'll settle things saturday.
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Postby Michael T » Thu Mar 22, 2007 6:05 pm

I have to catch you on something since you didn't miss anything on NS @ State (Props, btw.)
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