2 ways: trig integral ∫sec^2(ax+b) tan(ax+b) dx

prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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Pantun Melayu [Buah cempedak di luar pagar]

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count quick review: Permutation vs Combination

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#9 2023 MIT Integration Bee Qualifying Exam

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2nd/2 ways: #12 2024 MIT Integration Bee Qualifying Exam

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#1 2024 MIT Integration Bee Qualifying Exam

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#3 2023 MIT Integration Bee Qualifying Exam

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prob stat: A family has 2 children. What is the conditional prob that both are boys ...

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2 ways: derivative x √√x

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#12 2024 MIT Integration Bee Qualifying Exam

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#3 2024 MIT Integration Bee Qualifying Exam

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#8 2020 MIT Integration Bee Quali Exam: integral ∫x/(1-x^4) dx

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2nd/2ways: Taylor series of cos(x)

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alternate way: count sum 1 + 2 + 3+... + n via "polynomial"

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2 ways: trig integral ∫ sin^2(ax+b) dx

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#2 2024 MIT Integration Bee Qualifying Exam

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2nd way: derivative x^n w.r.t x^x

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1st/2 ways: hyper trig exp integral ∫e^x (1+tanh(x)-tanh^2(x)) dx

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count: How many subsets does {23,24,25,...,118} have?

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The cutest episode

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