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OpenStudy (anonymous):
Define the set E ={ 1/n : n is a natural #} contained in [0,1]. Prove that the function f(x) = {1, when x exists in E 0, otherwise} is Riemann integrable on [0,1]. What is the value of the integral of f(x)dx from 0 to 1
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OpenStudy (anonymous):
the integral is zero for sure, as the function is zero almost everywhere (all but a countable set of point) but that is not a proof, just a statement.
OpenStudy (anonymous):
i know that the U(f,P) = L(f,P) in order for it to be integrable, but I just started this class and don't understand how to solve for those sums.
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