Screen Recording 2024-02-22 at 10.23.21 PM

Screen Recording 2024-05-05 at 11.28.23 PM

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MP 2000 Hindustan: Evaluate ∫(tan(x)+cot(x))^2 dx

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

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

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

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

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Screen Recording 2024-05-05 at 11.22.54 PM

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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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Xiao Zhan once again becomes a negative example; Jiangsu TV's City Channel "Ling Jue Chi" airs a pro

アバターlianxi14_03_02

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integration bee 2018 Swinburne U integral x^2/2 ln(2/x^2) dx

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2 ways: derivative √(x+1) √(x-1)

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Columbia U: 9th/9 ways Evaluate the indefinite integral ∫1/(1+e^x) dx withOUt u-sub

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Screen Recording 2024-05-12 at 8.48.55 PM

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1st/2 ways: integral ∫1/(x(x^n -1)) dx

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Screen Recording 2024-05-12 at 9.04.39 PM

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Screen Recording 2024-05-19 at 9.56.54 PM

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Screen Recording 2024-05-12 at 8.34.35 PM

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Columbia U: 3rd way Evaluate the indefinite integral ∫1/(1+e^x) dx

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derivative If y=e^(a arc sin(x)), prove that (1-x^2)y2 - xy1 = a^2y.

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integration bee 2018 Swinburne integral (1-cos(x))/sin^2(x/2) dx

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