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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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Sultry

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example: Mean, Median & Mode

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1st way: count values nPn, nP(n-1), nP(n-2)

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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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Difference of 2 nonconsecutive triangular numbers

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alternate way: count sum 1 + 2 + 3+... + n via "polynomial"

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What does SS tell us about a set of data? Under what circumstances will the value of SS equal 0?

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Too Hard to Handle #105

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Do you know ... paper folding ...

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U North Texas Integration Bee 2nd way: x^2/√(x-1) dx

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

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【Huanhong Sect Holy Maiden Recruitment Plan No. 392】It’s a Sweet Little Romantic Treat!

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

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logic: Show p→q ≡¬ p∨q

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📿🙏🛡️5

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AP Calculus 2nd way: integral ∫(ax^2+bx+c)/(ax+c) dx

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Show log b^n(x^m) = m/n logb(x)

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📿🙏🛡️2

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