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Thread: integrate 1/(x^2+4x+8)

  1. January 22nd 2009, 01:14 PM #1
    hmmmm
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    integrate 1/(x^2+4x+8)

    hi i was wondering how to integrate
    1/(x^2+4x+8) dx
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  2. January 22nd 2009, 01:16 PM #2
    ThePerfectHacker
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    Write (x+2)^2 + 2^2 and let t=x+2.
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  3. January 22nd 2009, 01:48 PM #3
    hmmmm
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    thanks just couldnt see that
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