Recent content by cometalegas

  1. C

    How to calculate the antiderivative of: [sqrt(t^4 + t^2 + 1)]/(t^2 + 1)

    Anybodys knows how to resolve the problem of the subject. I am working in it for three hours. I am desperated. I have tried all the subtitutions of "Calculus. Schaum. Ayres&Mendelson". Whithout suceeds. Thank you. Diego.
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