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Thread: Integrate

  1. March 20th 2009, 04:58 PM #1
    reddevil
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    Integrate

    Integrate the following with respect to x

    3 x squared

    and,

    cos 2 x
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  2. March 20th 2009, 05:35 PM #2
    billa
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    <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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