Optimal. Leaf size=116 \[ -\frac {(1-x)^{2/3} (x+1)^{4/3}}{2 x^2}-\frac {(1-x)^{2/3} \sqrt [3]{x+1}}{3 x}-\frac {\log (x)}{9}+\frac {1}{3} \log \left (\sqrt [3]{1-x}-\sqrt [3]{x+1}\right )+\frac {2 \tan ^{-1}\left (\frac {2 \sqrt [3]{1-x}}{\sqrt {3} \sqrt [3]{x+1}}+\frac {1}{\sqrt {3}}\right )}{3 \sqrt {3}} \]
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Rubi [A] time = 0.04, antiderivative size = 116, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {6126, 96, 94, 91} \[ -\frac {(1-x)^{2/3} (x+1)^{4/3}}{2 x^2}-\frac {(1-x)^{2/3} \sqrt [3]{x+1}}{3 x}-\frac {\log (x)}{9}+\frac {1}{3} \log \left (\sqrt [3]{1-x}-\sqrt [3]{x+1}\right )+\frac {2 \tan ^{-1}\left (\frac {2 \sqrt [3]{1-x}}{\sqrt {3} \sqrt [3]{x+1}}+\frac {1}{\sqrt {3}}\right )}{3 \sqrt {3}} \]
Antiderivative was successfully verified.
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Rule 91
Rule 94
Rule 96
Rule 6126
Rubi steps
\begin {align*} \int \frac {e^{\frac {2}{3} \tanh ^{-1}(x)}}{x^3} \, dx &=\int \frac {\sqrt [3]{1+x}}{\sqrt [3]{1-x} x^3} \, dx\\ &=-\frac {(1-x)^{2/3} (1+x)^{4/3}}{2 x^2}+\frac {1}{3} \int \frac {\sqrt [3]{1+x}}{\sqrt [3]{1-x} x^2} \, dx\\ &=-\frac {(1-x)^{2/3} \sqrt [3]{1+x}}{3 x}-\frac {(1-x)^{2/3} (1+x)^{4/3}}{2 x^2}+\frac {2}{9} \int \frac {1}{\sqrt [3]{1-x} x (1+x)^{2/3}} \, dx\\ &=-\frac {(1-x)^{2/3} \sqrt [3]{1+x}}{3 x}-\frac {(1-x)^{2/3} (1+x)^{4/3}}{2 x^2}+\frac {2 \tan ^{-1}\left (\frac {1}{\sqrt {3}}+\frac {2 \sqrt [3]{1-x}}{\sqrt {3} \sqrt [3]{1+x}}\right )}{3 \sqrt {3}}-\frac {\log (x)}{9}+\frac {1}{3} \log \left (\sqrt [3]{1-x}-\sqrt [3]{1+x}\right )\\ \end {align*}
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Mathematica [C] time = 0.01, size = 57, normalized size = 0.49 \[ -\frac {(1-x)^{2/3} \left (2 x^2 \, _2F_1\left (\frac {2}{3},1;\frac {5}{3};\frac {1-x}{x+1}\right )+5 x^2+8 x+3\right )}{6 x^2 (x+1)^{2/3}} \]
Warning: Unable to verify antiderivative.
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fricas [A] time = 0.71, size = 166, normalized size = 1.43 \[ -\frac {4 \, \sqrt {3} x^{2} \arctan \left (\frac {2}{3} \, \sqrt {3} \left (-\frac {\sqrt {-x^{2} + 1}}{x - 1}\right )^{\frac {2}{3}} + \frac {1}{3} \, \sqrt {3}\right ) - 4 \, x^{2} \log \left (\left (-\frac {\sqrt {-x^{2} + 1}}{x - 1}\right )^{\frac {2}{3}} - 1\right ) + 2 \, x^{2} \log \left (\frac {{\left (x - 1\right )} \left (-\frac {\sqrt {-x^{2} + 1}}{x - 1}\right )^{\frac {2}{3}} + x - \sqrt {-x^{2} + 1} \left (-\frac {\sqrt {-x^{2} + 1}}{x - 1}\right )^{\frac {1}{3}} - 1}{x - 1}\right ) - 3 \, {\left (5 \, x^{2} - 2 \, x - 3\right )} \left (-\frac {\sqrt {-x^{2} + 1}}{x - 1}\right )^{\frac {2}{3}}}{18 \, x^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\left (\frac {x + 1}{\sqrt {-x^{2} + 1}}\right )^{\frac {2}{3}}}{x^{3}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.03, size = 0, normalized size = 0.00 \[ \int \frac {\left (\frac {1+x}{\sqrt {-x^{2}+1}}\right )^{\frac {2}{3}}}{x^{3}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\left (\frac {x + 1}{\sqrt {-x^{2} + 1}}\right )^{\frac {2}{3}}}{x^{3}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {{\left (\frac {x+1}{\sqrt {1-x^2}}\right )}^{2/3}}{x^3} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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