2 ways of "counting": 1=1/2+1/4+1/8+1/16+ ...

AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx

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

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

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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx

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logic Idempotent law show x=xVx

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trig Write each expression as an equivalent algebraic expression involving only x.

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diff eq: Solve dy/dx = (2y4x^4)/(xy^3) ❌separable to ✅separable

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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Review: Linear form, Quadratic form & Bilinear form

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scuu

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COMMON MISTAKE!: directive d/dx(sin(x) cos(x)) ≠ d/dx(sin(x)) d/dx(cos(x))

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Ex11.6 STPM Math T Sem.2 Find the fir st 4 terms in the expansion of the following functions

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Diff Equ: Solve y-xdy/dx=b(1+x^2dy/dx)) via integrating factor [IF]

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👋😆😆👋

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integral Find ∫1/(9-4x^2) dx

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Wanna know function that is NEITHER even NOR odd? Here you go ...

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IGCSE 2023 p2 Add Math #4

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1st/3ways: derivative If f(x)=(x-a)(x-b)(x-c), show f'(x)/f(x)=1/(x-1)+1/(x-b)+1/(x-c)

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STPM Math T Sem.2: 12.1 Numerical solution of Equations

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3 ways: derivative e^y=x

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