3 picture views of the sum ... 1+2+3+...+n

Fully Automatic Squatting

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

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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx

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

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logic Idempotent law show x=xVx

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

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

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trig Write each expression as an equivalent algebraic expression involving only x.

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Review: Linear form, Quadratic form & Bilinear form

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Diff Equ: Solve y-xdy/dx=b(1+x^2dy/dx)) via integrating factor [IF]

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IGCSE 2023 p2 Add Math #4

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Alternate way: sq root integral ∫1/√((x-α)(x-β)) dx

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COMMON MISTAKE!: directive d/dx(sin(x) cos(x)) ≠ d/dx(sin(x)) d/dx(cos(x))

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3 ways: If y=x/(1+x^2) find dy/dx.

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STPM Math T Sem2: Find the Maclaurin series for xe^(-x) [ahp kia]

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Prove the slope-intercept formula by using the slope formula for the line that has slope m, ...

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2nd part: STPM Math T Sem.2: 12.1 Numerical solution of Equations

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STPM Math T Sem.2: 12.1 Numerical solution of Equations

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Alternate way: trig integral ∫sec(x) dx= ln(tan(/π4+x/2)) + c

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Lamar U: Derivatives of Exponential & Log Functions Practice Problems.

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