prob stat: Show ∑(xk-x̄)(yk-ȳ) = ∑(xk-x̄) yk where k=1 to n

2nd video: 🇪🇹Yemariam🇪🇹 [Draw a person with top hat with digits ...]

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1st way: exp ∫(e^x)/x (1+x log(x)) dx

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logic Idempotent law show x=xVx

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

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

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Swinburne U 2nd way: e^(-e^x) e^x dx

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Review: Linear form, Quadratic form & Bilinear form

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integral ∫ x dx withOUT using Power rule.

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exp Differentiate (i) b^e^x (ii) b^x&e (iii) (b^e)^x (iv) (b^x)^e

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

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3rd/3ways: trig integral ∫sec(x) dx

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AP Calculus: log ∫√x(√√x) da

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2nd/3ways: exp Derivative x^x

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Alternate way: trig integral ∫sin(x) dx

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3rd/3ways: exp Derivative x^x

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4th way: rational function integral ∫x^3/√ (1+x^2) dx

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prob stat: For the sample shown in the freq distribution table, what is the mode?

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Alternate way: trig integral ∫cos(x) dx

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Quickie: 6169^2 - 2331^2?

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1st/3ways: exp Derivative x^x

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