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Integrating 1/x
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Posted:
Thu Mar 22, 2007 5:06 pm
by bradp
#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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Posted:
Thu Mar 22, 2007 5:17 pm
by kashhustler
they're the same thing
log base a of b^c = c log base a of b
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Posted:
Thu Mar 22, 2007 5:19 pm
by bradp
i feel smart now
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Posted:
Thu Mar 22, 2007 5:51 pm
by Michael T
you should, brad, you should. :D
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Posted:
Thu Mar 22, 2007 5:59 pm
by bradp
Everyone slips up now and then..
We'll settle things saturday.
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Posted:
Thu Mar 22, 2007 6:05 pm
by Michael T
I have to catch you on something since you didn't miss anything on NS @ State (Props, btw.)