trig integral ∫1/(sin(ax) cos(ax)) dx

2 ways: integral ∫(x-a)/(x+a) dx

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MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx

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logic Idempotent law show x=xVx

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count quick review: Permutation vs Combination

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Penn. State U: Suppose the p.m.f of discrete random variable X is ...

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Pantun Melayu [Sorong papan tarik papan]

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Pantun Melayu [Buah cempedak di luar pagar]

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A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

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#8 Lamar U: evaluate integral sec^8(t/2) tan^5(t/2) dt

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count comb: values nCn, nC(n-1), nC(n-2)

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How adorable is Putin in private? A president loves ice cream? A look inside Russia's "royal kitchen

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integral exp ∫e^(mx)/(x^n) dx via Reduction formula

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2nd way: Express as partial fractions

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trig integral a) ∫csc^2(x) dx

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If y=acos(ln(x)) + bsin(ln(x)), show that x^2y2 + xy1 +y=0

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2nd way: integral ∫1/(a + √√b (x^2)) dx

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2nd way: derivative y=e^x sin(x) cos^3(x)

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"baby" fact: exp e^(ix)

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Find the Maclurin series for (2x+3)(5x-4)

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Evaluate the 2 integrals

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