The limit is and the interval is .

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Here and .

Consider the number of subintervals as .

Width of the interval is .

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End points : .

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Consider the sample points to be the right endpoints.

Riemann sum is .

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Here .

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From the part 2 of the fundamental theorem of calculus, .

Where is any anti derivative of , that is a function such that .

Anti derivative of the function is .

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