Integrand size = 13, antiderivative size = 88 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=3 \sqrt [3]{-a+x}+\sqrt {3} \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{a}-2 \sqrt [3]{-a+x}}{\sqrt {3} \sqrt [3]{a}}\right )+\frac {1}{2} \sqrt [3]{a} \log (x)-\frac {3}{2} \sqrt [3]{a} \log \left (\sqrt [3]{a}+\sqrt [3]{-a+x}\right ) \]
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Time = 0.03 (sec) , antiderivative size = 88, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.385, Rules used = {52, 60, 631, 210, 31} \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=\sqrt {3} \sqrt [3]{a} \arctan \left (\frac {\sqrt [3]{a}-2 \sqrt [3]{x-a}}{\sqrt {3} \sqrt [3]{a}}\right )+3 \sqrt [3]{x-a}+\frac {1}{2} \sqrt [3]{a} \log (x)-\frac {3}{2} \sqrt [3]{a} \log \left (\sqrt [3]{x-a}+\sqrt [3]{a}\right ) \]
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Rule 31
Rule 52
Rule 60
Rule 210
Rule 631
Rubi steps \begin{align*} \text {integral}& = 3 \sqrt [3]{-a+x}-a \int \frac {1}{x (-a+x)^{2/3}} \, dx \\ & = 3 \sqrt [3]{-a+x}+\frac {1}{2} \sqrt [3]{a} \log (x)-\frac {1}{2} \left (3 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [3]{a}+x} \, dx,x,\sqrt [3]{-a+x}\right )-\frac {1}{2} \left (3 a^{2/3}\right ) \text {Subst}\left (\int \frac {1}{a^{2/3}-\sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{-a+x}\right ) \\ & = 3 \sqrt [3]{-a+x}+\frac {1}{2} \sqrt [3]{a} \log (x)-\frac {3}{2} \sqrt [3]{a} \log \left (\sqrt [3]{a}+\sqrt [3]{-a+x}\right )-\left (3 \sqrt [3]{a}\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1-\frac {2 \sqrt [3]{-a+x}}{\sqrt [3]{a}}\right ) \\ & = 3 \sqrt [3]{-a+x}+\sqrt {3} \sqrt [3]{a} \arctan \left (\frac {1-\frac {2 \sqrt [3]{-a+x}}{\sqrt [3]{a}}}{\sqrt {3}}\right )+\frac {1}{2} \sqrt [3]{a} \log (x)-\frac {3}{2} \sqrt [3]{a} \log \left (\sqrt [3]{a}+\sqrt [3]{-a+x}\right ) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 112, normalized size of antiderivative = 1.27 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=3 \sqrt [3]{-a+x}+\sqrt {3} \sqrt [3]{a} \arctan \left (\frac {1-\frac {2 \sqrt [3]{-a+x}}{\sqrt [3]{a}}}{\sqrt {3}}\right )-\sqrt [3]{a} \log \left (\sqrt [3]{a}+\sqrt [3]{-a+x}\right )+\frac {1}{2} \sqrt [3]{a} \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{-a+x}+(-a+x)^{2/3}\right ) \]
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Time = 0.10 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.01
method | result | size |
derivativedivides | \(3 \left (-a +x \right )^{\frac {1}{3}}-3 \left (\frac {\ln \left (a^{\frac {1}{3}}+\left (-a +x \right )^{\frac {1}{3}}\right )}{3 a^{\frac {2}{3}}}-\frac {\ln \left (\left (-a +x \right )^{\frac {2}{3}}-a^{\frac {1}{3}} \left (-a +x \right )^{\frac {1}{3}}+a^{\frac {2}{3}}\right )}{6 a^{\frac {2}{3}}}+\frac {\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 \left (-a +x \right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}-1\right )}{3}\right )}{3 a^{\frac {2}{3}}}\right ) a\) | \(89\) |
default | \(3 \left (-a +x \right )^{\frac {1}{3}}-3 \left (\frac {\ln \left (a^{\frac {1}{3}}+\left (-a +x \right )^{\frac {1}{3}}\right )}{3 a^{\frac {2}{3}}}-\frac {\ln \left (\left (-a +x \right )^{\frac {2}{3}}-a^{\frac {1}{3}} \left (-a +x \right )^{\frac {1}{3}}+a^{\frac {2}{3}}\right )}{6 a^{\frac {2}{3}}}+\frac {\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 \left (-a +x \right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}-1\right )}{3}\right )}{3 a^{\frac {2}{3}}}\right ) a\) | \(89\) |
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Time = 0.23 (sec) , antiderivative size = 104, normalized size of antiderivative = 1.18 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=\sqrt {3} \left (-a\right )^{\frac {1}{3}} \arctan \left (-\frac {\sqrt {3} a - 2 \, \sqrt {3} \left (-a\right )^{\frac {2}{3}} {\left (-a + x\right )}^{\frac {1}{3}}}{3 \, a}\right ) - \frac {1}{2} \, \left (-a\right )^{\frac {1}{3}} \log \left (\left (-a\right )^{\frac {2}{3}} + \left (-a\right )^{\frac {1}{3}} {\left (-a + x\right )}^{\frac {1}{3}} + {\left (-a + x\right )}^{\frac {2}{3}}\right ) + \left (-a\right )^{\frac {1}{3}} \log \left (-\left (-a\right )^{\frac {1}{3}} + {\left (-a + x\right )}^{\frac {1}{3}}\right ) + 3 \, {\left (-a + x\right )}^{\frac {1}{3}} \]
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Result contains complex when optimal does not.
Time = 1.10 (sec) , antiderivative size = 153, normalized size of antiderivative = 1.74 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=\frac {4 \sqrt [3]{a} e^{- \frac {i \pi }{3}} \log {\left (1 - \frac {\sqrt [3]{- a + x} e^{\frac {i \pi }{3}}}{\sqrt [3]{a}} \right )} \Gamma \left (\frac {4}{3}\right )}{3 \Gamma \left (\frac {7}{3}\right )} - \frac {4 \sqrt [3]{a} \log {\left (1 - \frac {\sqrt [3]{- a + x} e^{i \pi }}{\sqrt [3]{a}} \right )} \Gamma \left (\frac {4}{3}\right )}{3 \Gamma \left (\frac {7}{3}\right )} + \frac {4 \sqrt [3]{a} e^{\frac {i \pi }{3}} \log {\left (1 - \frac {\sqrt [3]{- a + x} e^{\frac {5 i \pi }{3}}}{\sqrt [3]{a}} \right )} \Gamma \left (\frac {4}{3}\right )}{3 \Gamma \left (\frac {7}{3}\right )} + \frac {4 \sqrt [3]{- a + x} \Gamma \left (\frac {4}{3}\right )}{\Gamma \left (\frac {7}{3}\right )} \]
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Time = 0.28 (sec) , antiderivative size = 86, normalized size of antiderivative = 0.98 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=-\sqrt {3} a^{\frac {1}{3}} \arctan \left (-\frac {\sqrt {3} {\left (a^{\frac {1}{3}} - 2 \, {\left (-a + x\right )}^{\frac {1}{3}}\right )}}{3 \, a^{\frac {1}{3}}}\right ) + \frac {1}{2} \, a^{\frac {1}{3}} \log \left (a^{\frac {2}{3}} - a^{\frac {1}{3}} {\left (-a + x\right )}^{\frac {1}{3}} + {\left (-a + x\right )}^{\frac {2}{3}}\right ) - a^{\frac {1}{3}} \log \left (a^{\frac {1}{3}} + {\left (-a + x\right )}^{\frac {1}{3}}\right ) + 3 \, {\left (-a + x\right )}^{\frac {1}{3}} \]
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Time = 0.49 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.17 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx=-\sqrt {3} \left (-a\right )^{\frac {1}{3}} \arctan \left (\frac {\sqrt {3} {\left (\left (-a\right )^{\frac {1}{3}} + 2 \, {\left (-a + x\right )}^{\frac {1}{3}}\right )}}{3 \, \left (-a\right )^{\frac {1}{3}}}\right ) - \frac {1}{2} \, \left (-a\right )^{\frac {1}{3}} \log \left (\left (-a\right )^{\frac {2}{3}} + \left (-a\right )^{\frac {1}{3}} {\left (-a + x\right )}^{\frac {1}{3}} + {\left (-a + x\right )}^{\frac {2}{3}}\right ) + \left (-a\right )^{\frac {1}{3}} \log \left ({\left | -\left (-a\right )^{\frac {1}{3}} + {\left (-a + x\right )}^{\frac {1}{3}} \right |}\right ) + 3 \, {\left (-a + x\right )}^{\frac {1}{3}} \]
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Time = 0.19 (sec) , antiderivative size = 119, normalized size of antiderivative = 1.35 \[ \int \frac {\sqrt [3]{-a+x}}{x} \, dx={\left (-a\right )}^{1/3}\,\ln \left (-9\,{\left (-a\right )}^{4/3}-9\,a\,{\left (x-a\right )}^{1/3}\right )+3\,{\left (x-a\right )}^{1/3}+\frac {{\left (-a\right )}^{1/3}\,\ln \left (\frac {9\,{\left (-a\right )}^{4/3}\,\left (-1+\sqrt {3}\,1{}\mathrm {i}\right )}{2}+9\,a\,{\left (x-a\right )}^{1/3}\right )\,\left (-1+\sqrt {3}\,1{}\mathrm {i}\right )}{2}-\frac {{\left (-a\right )}^{1/3}\,\ln \left (\frac {9\,{\left (-a\right )}^{4/3}\,\left (1+\sqrt {3}\,1{}\mathrm {i}\right )}{2}-9\,a\,{\left (x-a\right )}^{1/3}\right )\,\left (1+\sqrt {3}\,1{}\mathrm {i}\right )}{2} \]
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