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OpenStudy (anonymous):
Evaluate:
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OpenStudy (anonymous):
evaluated!
OpenStudy (anonymous):
\[\int\limits_{1}^{2} (7 - 2/x + 7/x^3) dx\]
OpenStudy (anonymous):
will I find u and du with this problem
OpenStudy (anonymous):
This one integrate term by term.
OpenStudy (anonymous):
\[7x - 2\ln|x| - 7/4x ^{4}\] evaluated at x = 2 and subtract off what you get when you evaluate at x = 1.
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OpenStudy (anonymous):
will it better to bring the x on top ex. 2/x to 2x^-1
OpenStudy (anonymous):
7x−2ln|x|−7x^-2 /-2
=7x−2ln|x|−7+7/2 x^2
OpenStudy (anonymous):
now I am confussed. I am having alot of trouble with these problems. When I look at them I do not know where to start.
I do not know what to do next
OpenStudy (anonymous):
Just put the integral sign in fron of each term and integrate term by term. No confusion.
OpenStudy (anonymous):
easy to say if you understand it.
where did the -7 come from then +7/2x^2
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OpenStudy (anonymous):
The last item \[(7 \ x ^{3}) \] is on the bottom. By convention you rewrite it \[7x ^{-3}\]. When you integrate that you would get a negative term.
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