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Math Help - Integrate

  1. #1
    Newbie
    Joined
    Mar 2009
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    3

    Integrate

    Integrate the following with respect to x

    3 x squared

    and,

    cos 2 x
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  2. #2
    Member billa's Avatar
    Joined
    Oct 2008
    Posts
    100
    <br />
\begin{gathered}<br />
  \int {kx^n }  = k\int {x^n }  = k\frac{{x^{n + 1} }}<br />
{{n + 1}} + C \hfill \\<br />
  \int {\cos (kx) = \sin (kx)/k + C}  \hfill \\ <br />
\end{gathered} <br />
    Last edited by billa; March 21st 2009 at 10:32 AM.
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