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126/1000, how to evaluate a limit with just algebra

108/1000, the easiest way of sketching the derivative graph

82/1000, know the chain rule for derivatives!

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114/1000, 3 rectangles under y=1/x from 1 to 2

121/1000, derivative of sin^-1(x), implicit differentiation

117/1000, series of cos(1/n)

103/1000, a calculus problem without using calculus

79/1000, surface area of revolution, calculus 2

97/1000, how to evaluate the limit of x-sqrt(x) as x goes to infinity

63/1000, limit of x^x as x goes to 0+, calculus 1

61/1000, integral of sqrt(x) from 1 to 9

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