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posted by Anonymous Thursday, February 23, 2012 at 9:41pm.

Integrate 1/(square root of (x^2 +2x +37))

x^2 + 2x + 37 = (x+1)^2 + 6^2 If you can integrate 1/sqrt(u^2 + a^2) this should be a snap. Hint: think arcsinh(u/a)

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