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Median [special weighted mean]
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2nd way: derivative (x^x)^x
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logic Idempotent law show x=xVx
count quick review: Permutation vs Combination
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Bijection of elements in tn & a pair of elements of (n+1)
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UC Davis: differentiate y=(3x+1)^2
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Find the expected value & the variance of a geometric r.v. X
exp derivative e^f(g(x)) h(x)
🇯🇵 EP 11 : SUB INDO
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UC Davis: differentiate y=2^cot(x)
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trig integral ∫tan^n(x) dx where n is EVEN via Reduction formula
EP 10 - Nigashita Sakana wa Ookikatta ga Tsuriageta Sakana ga Ookisugita Ken Sub
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Show integral x/(x^2+a^2) dx = -1/(2(x^2+a^2))
2nd way: trig integral ∫1/(1+sin^2(x))cos^2(x))
review Differentiation [Implicit]
1st/3ways: trig integral ∫sec(x) dx
1st/2 way: MIT Integration Bee Final ∫ x^4/(1-x^2) dx
Show integral ∫x √(ax+b) dx = 2(3ax-2b)√(ax+b)^3 /(15a^2)
Pascal's triangle rCk [examples]
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2nd way: log sqr integral ∫ln(x)/x dx