2nd/2 ways: MIT Integration Bee

Bijection of elements in tn & a pair of elements of (n+1)

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logic Idempotent law show x=xVx

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1st/3parts: Checkpoint 1.1 STPM Math T Sem2

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diff eq: Solve dy/dx = (2y4x^4)/(xy^3) ❌separable to ✅separable

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STPM Math T Sem2: Find the Maclaurin series for xe^(-x) [ahp kia]

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Find the expected value & the variance of a geometric r.v. X

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sqrt integral ∫(√x+1)/(x+√x) dx

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Prove Σ1/((k-1)(k+1))=(3n^2-n-2)/(4n(n+1)) where k=2 to n ∀n ≥ 2

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When the Mandate of Heaven Still Wanted to Be an Internet Celebrity! — The Mandate of Heaven Series,

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exp integral e^x (f(x) + f'(x)) dx

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2 ways: trig Show tan(2x)=2/(cot(x)-tan(x))

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prob stat: E(X-E(X))?

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Be very careful with leverage!

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Columbia U: 6th/6 ways Evaluate the indefinite integral ∫1/(1+e^x) dx

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MP-98 2nd/2 ways Evaluate i) ∫e^(loge(x)) dx ii) ∫e^(-loge(x)) dx

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Evaluate the integrals

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Don’t always say that ordinary people hate the rich.

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2nd way: log sq rt integral ∫ln(x+1)/√(x+1) dx

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2nd way: integral ∫x^2/(x^3 -2)^5 dx

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2 ways: trig integral ∫ sin(ax+b) dx

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