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

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)

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88/1000, 1-1/2+1/3-1/4+...=? (alternating harmonic series)

82/1000, know the chain rule for derivatives!

103/1000, a calculus problem without using calculus

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

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64/1000, solving dy/dx=y, separable differential equation

93/1000, why is the derivative 2^x equal to 2^x*ln(2)

94/1000, finding dy/dx for y^y=x