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Does anyone know how to prove that $f(x)=e^x$ is Riemann integrable using right or left hand Riemann sums?

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    if you want to do it directly, split your interval into pieces of equal length $\epsilon$, and the upper and lower Riemann sums are both geometrical series, with the upper one $e^\epsilon$-times bigger than the lower one2011-03-24

4 Answers 4