Screen Recording 2024-03-03 at 12.00.11 AM

AP Calculus 2nd way: integral ∫ (3^(x+1)-7^(x-1))/21^x dx

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Review: Linear form, Quadratic form & Bilinear form

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1st way: exp ∫(e^x)/x (1+x log(x)) dx

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

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MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx

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2nd way: integral ∫ log √x(x^n) dx

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

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Pantun Melayu [Buah cempedak di luar pagar]

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

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integral ∫ x dx withOUT using Power rule.

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2nd/3ways: trig integral ∫sec(x) dx

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2nd/2 ways: MIT Integration Bee Final

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Matriculation & Calculus: Show if y=f(x) g(x) h(x) k(x)

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2nd/2parts stat: SLR Regression lline always goes through the point (x̄, ȳ)

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Screen Recording 2024-02-22 at 10.18.05 PM

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2nd way: ∫(x+3)/(x^2+6x)^2 dx vs ∫(x+3)(x^2+6x)^2 dx

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NUS MA1102R: Find ALL second-order partial derivatives of f(x,y) = x^2 y -y^3 + ln(x)

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A couple has 6 children whose ages are 6,8,10,12,14,16. Find the variance in ages.

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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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Amaya & Ben integrated (1+x)^2 wrt x using different methods as follows ...

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