Optimal. Leaf size=24 \[ 6 x-6 \log \left (1+x+\frac {x^2}{2}+\frac {x^3}{6}\right ) \]
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Rubi [B] Leaf count is larger than twice the leaf count of optimal. \(193\) vs. \(2(24)=48\).
time = 0.43, antiderivative size = 193, normalized size of antiderivative = 8.04, number of steps
used = 5, number of rules used = 4, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.174, Rules used = {2106, 2104,
1642, 642} \begin {gather*} 6 x-6 \log \left (\sqrt [3]{\sqrt {2}-1} (x+1)-\left (\sqrt {2}-1\right )^{2/3}+1\right )-\frac {12 \left (1-\sqrt {2}\right ) \left (1-\sqrt [3]{\sqrt {2}-1}-\left (\sqrt {2}-1\right )^{2/3}\right ) \log \left (\left (\sqrt {2}-1\right )^{2/3} (x+1)^2-\left (1-\sqrt {2}+\sqrt [3]{\sqrt {2}-1}\right ) (x+1)+\left (\sqrt {2}-1\right )^{4/3}+\left (\sqrt {2}-1\right )^{2/3}+1\right )}{\left (1-\sqrt {2}+\sqrt [3]{\sqrt {2}-1}\right ) \left (1-\left (\sqrt {2}-1\right )^{2/3}+\left (\sqrt {2}-1\right )^{4/3}\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 642
Rule 1642
Rule 2104
Rule 2106
Rubi steps
\begin {gather*} \begin {aligned} \text {Integral} &=\text {Subst}\left (\int \frac {(-1+x)^3}{\frac {1}{3}+\frac {x}{2}+\frac {x^3}{6}} \, dx,x,1+x\right )\\ &=\frac {1}{36} \text {Subst}\left (\int \frac {(-1+x)^3}{\left (\frac {1-\left (-1+\sqrt {2}\right )^{2/3}}{6 \sqrt [3]{-1+\sqrt {2}}}+\frac {x}{6}\right ) \left (\frac {1}{36} \left (1+\frac {1}{\left (-1+\sqrt {2}\right )^{2/3}}+\left (-1+\sqrt {2}\right )^{2/3}\right )-\frac {\left (1-\left (-1+\sqrt {2}\right )^{2/3}\right ) x}{36 \sqrt [3]{-1+\sqrt {2}}}+\frac {x^2}{36}\right )} \, dx,x,1+x\right )\\ &=\frac {1}{36} \text {Subst}\left (\int \left (216+\frac {216 \sqrt [3]{-1+\sqrt {2}}}{-1+\left (-1+\sqrt {2}\right )^{2/3}-\sqrt [3]{-1+\sqrt {2}} x}+\frac {432 \left (\left (1-\sqrt {2}\right ) \left (1-\sqrt [3]{-1+\sqrt {2}}-\left (-1+\sqrt {2}\right )^{2/3}\right )-\left (3-2 \sqrt {2}+\left (-1+\sqrt {2}\right )^{2/3}-\left (-1+\sqrt {2}\right )^{4/3}\right ) x\right )}{\left (1-\left (-1+\sqrt {2}\right )^{2/3}+\left (-1+\sqrt {2}\right )^{4/3}\right ) \left (1+\left (-1+\sqrt {2}\right )^{2/3}+\left (-1+\sqrt {2}\right )^{4/3}-\left (1-\sqrt {2}+\sqrt [3]{-1+\sqrt {2}}\right ) x+\left (-1+\sqrt {2}\right )^{2/3} x^2\right )}\right ) \, dx,x,1+x\right )\\ &=6 x-6 \log \left (1-\left (-1+\sqrt {2}\right )^{2/3}+\sqrt [3]{-1+\sqrt {2}} (1+x)\right )+\frac {12 \text {Subst}\left (\int \frac {\left (1-\sqrt {2}\right ) \left (1-\sqrt [3]{-1+\sqrt {2}}-\left (-1+\sqrt {2}\right )^{2/3}\right )-\left (3-2 \sqrt {2}+\left (-1+\sqrt {2}\right )^{2/3}-\left (-1+\sqrt {2}\right )^{4/3}\right ) x}{1+\left (-1+\sqrt {2}\right )^{2/3}+\left (-1+\sqrt {2}\right )^{4/3}+\left (-1+\sqrt {2}-\sqrt [3]{-1+\sqrt {2}}\right ) x+\left (-1+\sqrt {2}\right )^{2/3} x^2} \, dx,x,1+x\right )}{1-\left (-1+\sqrt {2}\right )^{2/3}+\left (-1+\sqrt {2}\right )^{4/3}}\\ &=6 x-6 \log \left (1-\left (-1+\sqrt {2}\right )^{2/3}+\sqrt [3]{-1+\sqrt {2}} (1+x)\right )-\frac {12 \left (1-\sqrt {2}\right ) \left (1-\sqrt [3]{-1+\sqrt {2}}-\left (-1+\sqrt {2}\right )^{2/3}\right ) \log \left (1+\left (-1+\sqrt {2}\right )^{2/3}+\left (-1+\sqrt {2}\right )^{4/3}-\left (1-\sqrt {2}+\sqrt [3]{-1+\sqrt {2}}\right ) (1+x)+\left (-1+\sqrt {2}\right )^{2/3} (1+x)^2\right )}{\left (1-\sqrt {2}+\sqrt [3]{-1+\sqrt {2}}\right ) \left (1-\left (-1+\sqrt {2}\right )^{2/3}+\left (-1+\sqrt {2}\right )^{4/3}\right )}\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.00, size = 20, normalized size = 0.83 \begin {gather*} 6 \left (x-\log \left (6+6 x+3 x^2+x^3\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 21, normalized size = 0.88
method | result | size |
default | \(6 x -6 \ln \left (x^{3}+3 x^{2}+6 x +6\right )\) | \(21\) |
norman | \(6 x -6 \ln \left (x^{3}+3 x^{2}+6 x +6\right )\) | \(21\) |
risch | \(6 x -6 \ln \left (x^{3}+3 x^{2}+6 x +6\right )\) | \(21\) |
parallelrisch | \(6 x -6 \ln \left (x^{3}+3 x^{2}+6 x +6\right )\) | \(21\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.42, size = 20, normalized size = 0.83 \begin {gather*} 6 \, x - 6 \, \log \left (x^{3} + 3 \, x^{2} + 6 \, x + 6\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.56, size = 20, normalized size = 0.83 \begin {gather*} 6 \, x - 6 \, \log \left (x^{3} + 3 \, x^{2} + 6 \, x + 6\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 19, normalized size = 0.79 \begin {gather*} 6 x - 6 \log {\left (x^{3} + 3 x^{2} + 6 x + 6 \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.41, size = 21, normalized size = 0.88 \begin {gather*} 6 \, x - 6 \, \log \left ({\left | x^{3} + 3 \, x^{2} + 6 \, x + 6 \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.12, size = 20, normalized size = 0.83 \begin {gather*} 6\,x-6\,\ln \left (x^3+3\,x^2+6\,x+6\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Chatgpt [F] Failed to verify
time = 1.00, size = 33, normalized size = 1.38 \begin {gather*} -6 x^{2}+12 x -24 \ln \left (2 x^{3}+3 x^{2}+3 x +2\right )+36 \ln \left (x +1\right ) \end {gather*}
Warning: Unable to verify antiderivative.
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