baldymcgee6
Integration by parts...



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baldymcgee6
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dw:1357797059876:dw

Fazeelayaz
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is it x*2 or x^2

Fazeelayaz
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boy that's qiute long

hartnn
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is it specifically asked to integrate by parts ??? because there is an easy way out...

hartnn
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by putting u=x^2

baldymcgee6
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no, I just assumed, because thats what we are studying :)

baldymcgee6
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i'll try that subtitution

hartnn
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then i suggest don't use by parts,
put u=x^2
and find du=...
it becomes so simple then

baldymcgee6
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dw:1357797312830:dw

baldymcgee6
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dw:1357797408136:dw

hartnn
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yes, now its correct.

baldymcgee6
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but what is the integral of 2^u?

hartnn
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its a standard integral.

hartnn
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2^u/ log 2

baldymcgee6
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okkkk, thanks once again hartnn, haven't been on in a while.. Nice picture :)

Fazeelayaz
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u r a genious hartn

hartnn
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its not mine :P
welcome ^_^