We lost original x's but still know mean x̄ & n. Now we collected m new observations.

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

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logic Idempotent law show x=xVx

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

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

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

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IGCSE 2023 p2 Add Math #4

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Screen Recording 2024-05-13 at 9.18.43 PM

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

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

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Review: Product to Sum Identities

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alternate way: count sum 1+2+3+ ... +n

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radical function sq root Find the derivative of f(x) = √(x+1)

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integral Find ∫1/(9-4x^2) dx

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Pure Math: Calculate the coordinates of the two points on the curve

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exp integral ∫a^(√√x^3)/√√x dx

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UC Davis: #10 log integral ∫3/(x ln(x)) dx.

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