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

1) integral ∫ 1/(1+x^2) dx 2) integral ∫ e^x/(1+e^(2x)) dx 3) integral ∫ cos(x)/(1+sin^2(x)) dx

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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)

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2nd way: integral ∫ log √x(x^n) 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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1st/3parts: Checkpoint 1.1 STPM Math T Sem2

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2 ways: sq root derivative 1/(√√(1/√x))

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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx

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Quickie: 6169^2 - 2331^2?

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#top_10anime_of_winter

trigun07

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Alternate way: exp derivative x^n

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Let's get started right away! (It's about clothes), and guess what—you'll be wearing a swimsuit unde

youmodedali

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Roorkee 1976 RET 1991Hindustan: trig integral 1/(sin^2(x) cos^2(x)) dx

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3rd/3ways: trig integral ∫sec(x) dx

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1st/3ways: exp Derivative x^x

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4th way: rational function integral ∫x^3/√ (1+x^2) dx

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logic: tautology p→q≡(¬q→¬p)

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Quickie: Find the value of √((470+160)(470-160) +2560)

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2 ways: trig exp derivative e^(sin(x)) sin(e^x)

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1st/3ways: derivative If f(x)=(x-a)(x-b)(x-c), show f'(x)/f(x)=1/(x-1)+1/(x-b)+1/(x-c)

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2 ways: integral ∫x/(x+a) dx

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