Calc ..basic integration

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I forgto how to integrate...its been to long.
integration(Sqrt(1+2t^2+t^4))

  • Calc ..basic integration -

    First do a bit of algebra.
    Sqrt(1 +2t^2 +t^4)= (1 + t^2).

    Just integrate that.
    The answer is t + t^3/3 + C

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