Screen Recording 2024-02-21 at 10.02.50 PM

Find the 2nd-order partial derivatives of f(x,y)=2xy^2-3x^2+xy^3

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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) 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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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx

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2nd way: derivative (x^x)^x

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Pantun Melayu [Buah cempedak di luar pagar]

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Pantun Melayu [Sorong papan tarik papan]

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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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2nd way: trig integral ∫(sec(x) tan(x))/(sec^2(x)-sec(x)) dx

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UC Davis#4 4 ways: integrate 7^(2x+3) dx

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2nd way: Evaluate integral ∫x^2/√(19-x^2) dx

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A random variable X has the following parameters: E(X)=a & Var(X)=2a^2-1 a∈R

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partial Let f(x,y,z)=x e^(yz). Compute fxzy & fyxz.

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Screen Recording 2023-12-07 at 2.04.49 AM

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

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8Screen Recording 2023-12-07 at 1.55.57 AM

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2nd way: exp integral ∫2^(5x) 3^(-x) dx

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trig integral ∫x/(1+x) dx vs ∫cos(x)/(1+cos(x)) dx

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Lamar U #12 trig integral sec^4(2t)/tan^9(2t) dt

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