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January 30, 2015

January 30, 2015

Posted by **Beth** on Tuesday, October 28, 2008 at 4:16pm.

f(x)=a/(x^2+a^2) given that d/dx arctanx = 1/(x^2+1)

- Math -
**Count Iblis**, Tuesday, October 28, 2008 at 5:13pmarctan(x/a)

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