2nd way: Derivative arc cos(x/a) Calculus

Screen Recording 2024-02-16 at 9.14.39 PM

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

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logic Idempotent law show x=xVx

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2nd way: derivative (x^x)^x

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Screen Recording 2024-02-16 at 9.19.45 PM

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prob stat: The p.d.f of a discrete r.v. Y is given by P(Y=y)=cy^2 for y=0,1,2,3,4.

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1)integral ∫ x dx 2)integral ∫ ln(x)/x dx via inspection [NO u-sub]

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

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2nd way: trig derivative tan(arc tan(x))

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Screen Recording 2024-02-16 at 8.27.04 PM

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2nd/2 parts: Mean 1+2+3+...+n is just (1+n)/2. Why?

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prob stat: The discrete r.v. W has prob dist. as shown

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Screen Recording 2024-02-16 at 8.34.08 PM

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2nd way: log hyper trig derivative ln(tanh(2x))

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UC Davis #13: integrate ∫(x+3)(x-1)^5 dx

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UC Davis #12: exp integrate ∫(27e^(9x) + e^(12x))^(1/3) dx

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2 ways: trig integral ∫sin^3(ax+b) dx

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Can you even sleep?

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Extreme oncoming traffic in a narrow road — that female driver’s classic roadside parking technique

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[English] How Chinese Parents Turn Their Kids into Math Prodigies

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