Solve the differential equation xcos^2(y) dx + tan(y) dy=0

2 ways: The following measurements were taken by an antique dealer as he weighted to the ...

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sq root derivative √x [Good to know the result]

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MP 2000 Hindustan: Evaluate ∫(tan(x)+cot(x))^2 dx

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Pantun Melayu [Sorong papan tarik papan]

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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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lim x/e^x? as x→∞

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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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Alternate way: sq root integral ∫1/√((x-α)(x-β)) dx

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2nd way: rational function integral ∫x^3/√ (1+x^2) dx

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4th way: rational function integral ∫x^3/√ (1+x^2) dx

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3rd/3ways: Laplace Show that ...

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Alternate way: trig integral ∫sin(x) dx

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2nd way: integral ∫1/(a + √√b (x^2)) dx

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3rd/3ways: exp Derivative x^x

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Quickie: 6169^2 - 2331^2?

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statics of rigid set 1-2

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3rd way: rational function integral ∫x^3/√ (1+x^2) dx

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derivative differentiate x^x - 2^sin(x)

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