Show integral 1/(x(x^2+a^2)) dx = 1/(2a^2) ln(x^2/(x^2+a^2))

1) integral ∫ 1/(1+x^2) dx 2) integral ∫ e^x/(1+e^(2x)) dx 3) integral ∫ cos(x)/(1+sin^2(x)) dx

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

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lim x/e^x? as x→∞

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prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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prob stat: 1st/2 parts. One sample has a mean of M=6 &

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prob stat: One sample of n=4 scores has a mean of M=10, &

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Find the equation of the tangent line to the curve x^3-3y^3+xy+21=0 at the point (1,2)

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Study-Group.Episode-8.Korean Drama.Esubs

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Study-Group.Episode-9.Korean Drama.Esubs

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Evaluate these 7 integrals ...

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When a die was thrown the scores was an odd #. What is the prob. that it was a prime #?

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Find the mean of the data given in the freq. distribution below ...

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5 ways: trig Derivative of sin^2(x)

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#3 UC Davis integrate ∫3/(4+x^(1/3)) dx via power sub

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NYU: 3 ways ∫(1+ln(x))/x dx

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2010 Raytheon MATHCOUNTS National Competition

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prob stat: For the sample shown in the freq distribution table, what is the mode?

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Variability or spread of a distribution. Whey we need it!

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Which of the following statements are true, & why?

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prob stat: A population of N=5 scores has a mean µ= 12. What is ∑X for this sample?

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