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how is i^x=2 possible?

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calculus teacher vs 'I know it already' student

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how Laplace solved the Gaussian integral

100 Inevitable Algebra Problems for Calculus

how Richard Feynman would integrate 1/(1+x^2)^2

so you want a HARD integral from the Berkeley Math Tournament

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de Moivre quintic formula

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solution to the logarithmic triangle

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(1+2+3)^2=1^3+2^3+3^3

expanding (x+y)^2 (from no algebra to abstract algebra)