integral ∫1/(1-(2x+3)^2) dx

Heitu: Airdropping nationwide

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logic Idempotent law show x=xVx

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Pantun Melayu [Pulau Pandan Jauh Ke Tengah]

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Ning Yao sweats all day but doesn’t cook a single meal.

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15 🇵🇭 The Gift

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A foreign guy imitates all sorts of quirky outfits, with the highlight being the dog beside him~

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Pranking with the “old man fun” special effects filter

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The sum of 3 numbers in AP is 15 & the sum of their squares is 3. Find the numbers.

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prob stat: Compute Var(X) when X represents the outcome when we roll a fair die.

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Screen Recording 2024-05-06 at 11.53.23 PM

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2 ways: trig integral ∫sec^2(x) tan(x) dx

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3rd/3 ways: How many chords can be drawn through 21 points on a circle?

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2nd way: trig integral ∫sin^4(x) dx

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companion vid: trig derivative 1/2sin^2(tan(x)) + C

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2.5 ways: trig derivative x sin(x) cos(x)

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trig integral a) Show that sin(t) cos(t)=1/2 sin^2(t)+c

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Find r, if 5 4Pr = 6 5(r-1)

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trig integral sin(tan(x)) cos(tan(x)) sec^2(x) dx [chain rule in reverse]

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Wanna know function that is BOTH even AND odd? Here you go ...

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1st way: exp integral ∫e^x(1+tanh(x)-tanh^2(x)) dx

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