Alternate way: trig integral ∫sec(x) dx= ln(tan(/π4+x/2)) + c

Solve the following differential equation cos^2(x)dy/dx +y = tan(x)

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If y=acos(ln(x)) + bsin(ln(x)), show that x^2y2 + xy1 +y=0

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

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

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

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integral ∫ x dx withOUT using Power rule.

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MP 98 Hindustan: Evaluate (i) ∫e^loge(x) dx (ii) ∫e^(-loge(x)) dx

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RPET 2003 Hindustan: integral ∫sin^4(x)-cos^4(x) dx

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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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Review: Linear form, Quadratic form & Bilinear form

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3rd/3ways: trig integral ∫sec(x) dx

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2nd way: Express as partial fractions

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2nd/3ways: derivative (x+1)^(1/2) (x+2)^(1/3) (x+3)^(1/4) (x+4)^(1/5) (x+5)^(1/6)

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STPM Math T Sem2: Find the Maclaurin series for xe^(-x) [ahp kia]

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Solve cos^2(x) dy/dx +y = tan(x) via Integrating factor[IF]

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3 ways: If y=x/(1+x^2) find dy/dx.

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Alternate way: integral ∫ax+b dx

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Solve x(x-1)dy/dx - (x-2)y=x^3(2x-1) via Integrating Facto[IF]

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Solve √(2x-5) -√(x-2) = 2

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4 ways: trig integral ∫sin(x) cos(x) dx

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