prob stat 2/2 ways: A couple has 6 children whose ages are 6,8,10,12,14,16.

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

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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After studying photography for so long, it's time to show off my skills!

xiaoxiaoxiaoaman

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2nd way: integral ∫ log √x(x^n) dx

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1st way: exp ∫(e^x)/x (1+x log(x)) dx

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

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

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

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Review: Linear form, Quadratic form & Bilinear form

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Variability or spread of a distribution. Whey we need it!

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Columbia U: 1st way integral ∫√(x^2-9)/x^4 dx

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UC Davis: #7 trig log integral sin(ln(x))/x dx

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2nd way: integral tan(x)/(1+tan(x)) dx

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trig integral sin(x+sin(x))-sin(x-sin(x)) dx

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#24 2010 MIT Integration Bee Qualifying Exam

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When an earthquake occurs, which is safer—the lower floors or the higher floors? Let's start by exam

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logic: Simplify the Boolean function F=AB+BC+B'C

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#7 2020 MIT Integration Bee Quali Exam: sin^4(x) cos^4(x) (cos(x)+sin(x))(cos(x)-sin(x)) dx

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MIT Integration Bee Quali Exam 2023 #13 ∫(x+e+1)x^e e^x dx

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prob stat: 10 people have a potluck. 5 peoplle will be selected to bring a main dish,

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