calculus

Please help. What is the area of the region which is bounded by the x-axis and by the graph of y=(20(7-x)(x-3))/x^2. Thank you for any help.

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asked by Amy
  1. integrate from x=3 to 7

    multipy it out, then you should have several integrals...

    (7-x)(x-3)
    7x+3x-x^2-21

    int(10x/x^2 dx -x^2/x^2 dx -21/x^2dx)

    10lnx -x +21/x all over limits, then multipy by 20

    check that

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