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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- Jan 7th 2008, 03:39 PMmiley_22approximate 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 - Jan 7th 2008, 04:57 PMThePerfectHacker