Optimal. Leaf size=63 \[ \frac {3 b^3 \log \left (a+b \sqrt [3]{x}\right )}{a^4}-\frac {b^3 \log (x)}{a^4}-\frac {3 b^2}{a^3 \sqrt [3]{x}}+\frac {3 b}{2 a^2 x^{2/3}}-\frac {1}{a x} \]
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Rubi [A] time = 0.03, antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {266, 44} \[ -\frac {3 b^2}{a^3 \sqrt [3]{x}}+\frac {3 b^3 \log \left (a+b \sqrt [3]{x}\right )}{a^4}-\frac {b^3 \log (x)}{a^4}+\frac {3 b}{2 a^2 x^{2/3}}-\frac {1}{a x} \]
Antiderivative was successfully verified.
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Rule 44
Rule 266
Rubi steps
\begin {align*} \int \frac {1}{\left (a+b \sqrt [3]{x}\right ) x^2} \, dx &=3 \operatorname {Subst}\left (\int \frac {1}{x^4 (a+b x)} \, dx,x,\sqrt [3]{x}\right )\\ &=3 \operatorname {Subst}\left (\int \left (\frac {1}{a x^4}-\frac {b}{a^2 x^3}+\frac {b^2}{a^3 x^2}-\frac {b^3}{a^4 x}+\frac {b^4}{a^4 (a+b x)}\right ) \, dx,x,\sqrt [3]{x}\right )\\ &=-\frac {1}{a x}+\frac {3 b}{2 a^2 x^{2/3}}-\frac {3 b^2}{a^3 \sqrt [3]{x}}+\frac {3 b^3 \log \left (a+b \sqrt [3]{x}\right )}{a^4}-\frac {b^3 \log (x)}{a^4}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 63, normalized size = 1.00 \[ \frac {3 b^3 \log \left (a+b \sqrt [3]{x}\right )}{a^4}-\frac {b^3 \log (x)}{a^4}-\frac {3 b^2}{a^3 \sqrt [3]{x}}+\frac {3 b}{2 a^2 x^{2/3}}-\frac {1}{a x} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.53, size = 56, normalized size = 0.89 \[ \frac {6 \, b^{3} x \log \left (b x^{\frac {1}{3}} + a\right ) - 6 \, b^{3} x \log \left (x^{\frac {1}{3}}\right ) - 6 \, a b^{2} x^{\frac {2}{3}} + 3 \, a^{2} b x^{\frac {1}{3}} - 2 \, a^{3}}{2 \, a^{4} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.16, size = 61, normalized size = 0.97 \[ \frac {3 \, b^{3} \log \left ({\left | b x^{\frac {1}{3}} + a \right |}\right )}{a^{4}} - \frac {b^{3} \log \left ({\left | x \right |}\right )}{a^{4}} - \frac {6 \, a b^{2} x^{\frac {2}{3}} - 3 \, a^{2} b x^{\frac {1}{3}} + 2 \, a^{3}}{2 \, a^{4} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 56, normalized size = 0.89 \[ -\frac {b^{3} \ln \relax (x )}{a^{4}}+\frac {3 b^{3} \ln \left (b \,x^{\frac {1}{3}}+a \right )}{a^{4}}-\frac {3 b^{2}}{a^{3} x^{\frac {1}{3}}}+\frac {3 b}{2 a^{2} x^{\frac {2}{3}}}-\frac {1}{a x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.56, size = 56, normalized size = 0.89 \[ \frac {3 \, b^{3} \log \left (b x^{\frac {1}{3}} + a\right )}{a^{4}} - \frac {b^{3} \log \relax (x)}{a^{4}} - \frac {6 \, b^{2} x^{\frac {2}{3}} - 3 \, a b x^{\frac {1}{3}} + 2 \, a^{2}}{2 \, a^{3} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.07, size = 50, normalized size = 0.79 \[ \frac {6\,b^3\,\mathrm {atanh}\left (\frac {2\,b\,x^{1/3}}{a}+1\right )}{a^4}-\frac {\frac {1}{a}-\frac {3\,b\,x^{1/3}}{2\,a^2}+\frac {3\,b^2\,x^{2/3}}{a^3}}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 2.79, size = 83, normalized size = 1.32 \[ \begin {cases} \frac {\tilde {\infty }}{x^{\frac {4}{3}}} & \text {for}\: a = 0 \wedge b = 0 \\- \frac {3}{4 b x^{\frac {4}{3}}} & \text {for}\: a = 0 \\- \frac {1}{a x} & \text {for}\: b = 0 \\- \frac {1}{a x} + \frac {3 b}{2 a^{2} x^{\frac {2}{3}}} - \frac {3 b^{2}}{a^{3} \sqrt [3]{x}} - \frac {b^{3} \log {\relax (x )}}{a^{4}} + \frac {3 b^{3} \log {\left (\frac {a}{b} + \sqrt [3]{x} \right )}}{a^{4}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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