an A5 Putnam Exam integral for calc 2 students
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National Taiwan University graduate school entrance exam problem
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A Cambridge Integral Experience
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The legendary A5 Putnam integral: Richard Feynman vs Weierstrass
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A differential equation from the famous Putnam exam.
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Elementary vs. Non-Elementary integral battles! (beyond regular calculus)
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Integrate x^-x dx
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Integral of so many things! (great for calculus 2 review)
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