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Math Help - approximate area

  1. #1
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    approximate area

    if the formula for the area under a curve with interval 0,1 is 1/n [(1/n)^2+ (2/n)^2+⋯+(n/n)^2 ], then what is the formula for interval 0,a?

    thanks for the help
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  2. #2
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    Quote Originally Posted by miley_22 View Post
    if the formula for the area under a curve with interval 0,1 is 1/n [(1/n)^2+ (2/n)^2+⋯+(n/n)^2 ], then what is the formula for interval 0,a?

    thanks for the help
    Partition [0,a] into equal subintervals with width \frac{a}{n}. Now from the Riemann sum.
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