Optimal. Leaf size=16 \[ \frac{x^3}{3}+\frac{x^2}{2}+x \]
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Rubi [A] time = 0.0018128, antiderivative size = 16, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 0, integrand size = 6, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0., Rules used = {} \[ \frac{x^3}{3}+\frac{x^2}{2}+x \]
Antiderivative was successfully verified.
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Rubi steps
\begin{align*} \int \left (1+x+x^2\right ) \, dx &=x+\frac{x^2}{2}+\frac{x^3}{3}\\ \end{align*}
Mathematica [A] time = 0.0000346, size = 16, normalized size = 1. \[ \frac{x^3}{3}+\frac{x^2}{2}+x \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 13, normalized size = 0.8 \begin{align*} x+{\frac{{x}^{2}}{2}}+{\frac{{x}^{3}}{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.940587, size = 16, normalized size = 1. \begin{align*} \frac{1}{3} \, x^{3} + \frac{1}{2} \, x^{2} + x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.57297, size = 31, normalized size = 1.94 \begin{align*} \frac{1}{3} x^{3} + \frac{1}{2} x^{2} + x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.050605, size = 10, normalized size = 0.62 \begin{align*} \frac{x^{3}}{3} + \frac{x^{2}}{2} + x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.09147, size = 16, normalized size = 1. \begin{align*} \frac{1}{3} \, x^{3} + \frac{1}{2} \, x^{2} + x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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