1st/2ways: permutation Show P(n,2)+P(n,1)=n^2

prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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2nd way: integral ∫ log √x(x^n) dx

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Pantun Melayu [Buah cempedak di luar pagar]

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

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1st way: exp ∫(e^x)/x (1+x log(x)) dx

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

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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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MP 2000 Hindustan: Evaluate ∫(tan(x)+cot(x))^2 dx

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Review: Linear form, Quadratic form & Bilinear form

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"God, God, open your mouth!"

ren___shan

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integral exp ∫e^(mx)/(x^n) dx via Reduction formula

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Mohammad Ali Jinnah University: Integrate the followings.

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1st/2ways: add math sum a + (a+d) + (a+2d) + ... + (a+(n-1)d) ?

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Diff Eq: Solve sec(x) dy/dx=y+sin(x) via Integrating factor [IF]

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Dan Da Dan season 1 episode 4 Hindi dubbed

Shahi Déèpãk

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2nd/3ways: sum Show 1+2+3+...+n=n(1+n)/2

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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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2nd/2ways: count perm Show P(n,2)+P(n,1)=n^2

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5 ways: trig derivative tan(x).

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Conversion: Permutation - Combination vice versa

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