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Math Help - closed integration

  1. #1
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    closed integration

    evaluate closed integration-codecogseqn-6-.gif

    i have used directional derivate of f and used the fundamental theorem of line integrals

    is it right
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  2. #2
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    Re: closed integration

    Hey prasum.

    Show us your complete working out and your final answer so we can make comments.
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  3. #3
    Senior Member jakncoke's Avatar
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    Re: closed integration

    use \int f dr = \int f(c(t))c'(t) dt where c is the parametric representation of the curve you are integrating over. So in this case  c(t) = <\sqrt(1-t^2), t>
    Last edited by jakncoke; November 12th 2012 at 08:43 PM.
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