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Express the sum of the digits of the number (1000^20 - 20) in decimal notation

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What would the value of SS be for his set of scores [118,118,118,118,118,118]?
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What would the value of SS be for his set of scores [118,118,118,118,118,118]?

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logic Idempotent law show x=xVx

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

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1st way: exp ∫(e^x)/x (1+x log(x)) dx

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

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Swinburne U 2nd way: e^(-e^x) e^x dx
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Swinburne U 2nd way: e^(-e^x) e^x dx

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Review: Linear form, Quadratic form & Bilinear form

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

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2010 #2 MIT Integration Bee
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2010 #2 MIT Integration Bee

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Which of the following statements are true, & why?
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Which of the following statements are true, & why?

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Show ∫1/(a+btan(x)) dx = ...
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Show ∫1/(a+btan(x)) dx = ...

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What does SS tell us about a set of data? Under what circumstances will the value of SS equal 0?
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What does SS tell us about a set of data? Under what circumstances will the value of SS equal 0?

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Which of the following data sets has a median of 3?
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Which of the following data sets has a median of 3?

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2nd way: integral ∫ (x^2+b)^3 dx
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2nd way: integral ∫ (x^2+b)^3 dx

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prob stat: Two events are such that P(A)=0.6, P(B)=0.5 & P(AUB)=0.85
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prob stat: Two events are such that P(A)=0.6, P(B)=0.5 & P(AUB)=0.85

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AP Calculus: log ∫√x(√√x) da
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AP Calculus: log ∫√x(√√x) da

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AP Calculus: 2nd way integral log √√x (x) dx
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AP Calculus: 2nd way integral log √√x (x) dx

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2nd way: trig integral ∫sin^2(x) cos^3(x) dx
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2nd way: trig integral ∫sin^2(x) cos^3(x) dx

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1st/2 way: MIT Integration Bee Final ∫ x^4/(1-x^2) dx
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1st/2 way: MIT Integration Bee Final ∫ x^4/(1-x^2) dx

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