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Math Help - Area under the curve

  1. #1
    Junior Member
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    Jun 2009
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    Exclamation Area under the curve

    HelloĦĦ

    Could you please help me to solve this problem?

    Find the area under the curve: y= 1/x^2+x to the right of x=1<br />

    Thanks
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  2. #2
    Member
    Joined
    Nov 2009
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    You simply take the integral of the function where your limits of integration are what is given to you

    You integral will look like such

    \int \frac{1}{x^2}+ x dx

    According to what you stated, you want the area to the right of x = 1 so now you have your limits of integration is from x = 1 to infinity assuming to no other x was mentioned

    \int_1^{\infty} \frac{1}{x^2}+ x dx

    This is now in the form of the integral where you have to perform a series of steps evaluating the limit this function approaches to get the estimation of the area under this curve, in another words if the area of what you stated is finite or infinite
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