We usually calculate the average of N terms by summing them up and dividing by N. How do you find the average of infinitely many terms? For example, the average of a function f(x) for all x-values between 0 and 1? Integral calculus to the rescue!
5771_Mean_value_theorem_for_integrals.html
5769_Calculating_average_value_of_function_over_interval.html
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