39/1000, series of (1+1/n)^n, calculus 2

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47/1000, limit of (1-2/x)^x, calculus 1

42/1000, epsilon-delta proof of a limit, calculus 1

38/1000, don't get these derivatives wrong! calculus 1

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37/1000, telescoping series, calculus 2

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40/1000, derivative of ln(x+sqrt(x^2+1)), calculus 1

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