Optimal. Leaf size=165 \[ \frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )-\frac{\sqrt{3} b \log \left (c^{2/3} x^2-\sqrt{3} \sqrt [3]{c} x+1\right )}{8 c^{2/3}}+\frac{\sqrt{3} b \log \left (c^{2/3} x^2+\sqrt{3} \sqrt [3]{c} x+1\right )}{8 c^{2/3}}-\frac{b \tan ^{-1}\left (\sqrt [3]{c} x\right )}{2 c^{2/3}}+\frac{b \tan ^{-1}\left (\sqrt{3}-2 \sqrt [3]{c} x\right )}{4 c^{2/3}}-\frac{b \tan ^{-1}\left (2 \sqrt [3]{c} x+\sqrt{3}\right )}{4 c^{2/3}} \]
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Rubi [A] time = 0.393489, antiderivative size = 165, normalized size of antiderivative = 1., number of steps used = 11, number of rules used = 7, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.583, Rules used = {5033, 295, 634, 618, 204, 628, 203} \[ \frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )-\frac{\sqrt{3} b \log \left (c^{2/3} x^2-\sqrt{3} \sqrt [3]{c} x+1\right )}{8 c^{2/3}}+\frac{\sqrt{3} b \log \left (c^{2/3} x^2+\sqrt{3} \sqrt [3]{c} x+1\right )}{8 c^{2/3}}-\frac{b \tan ^{-1}\left (\sqrt [3]{c} x\right )}{2 c^{2/3}}+\frac{b \tan ^{-1}\left (\sqrt{3}-2 \sqrt [3]{c} x\right )}{4 c^{2/3}}-\frac{b \tan ^{-1}\left (2 \sqrt [3]{c} x+\sqrt{3}\right )}{4 c^{2/3}} \]
Antiderivative was successfully verified.
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Rule 5033
Rule 295
Rule 634
Rule 618
Rule 204
Rule 628
Rule 203
Rubi steps
\begin{align*} \int x \left (a+b \tan ^{-1}\left (c x^3\right )\right ) \, dx &=\frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )-\frac{1}{2} (3 b c) \int \frac{x^4}{1+c^2 x^6} \, dx\\ &=\frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )-\frac{b \int \frac{1}{1+c^{2/3} x^2} \, dx}{2 \sqrt [3]{c}}-\frac{b \int \frac{-\frac{1}{2}+\frac{1}{2} \sqrt{3} \sqrt [3]{c} x}{1-\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2} \, dx}{2 \sqrt [3]{c}}-\frac{b \int \frac{-\frac{1}{2}-\frac{1}{2} \sqrt{3} \sqrt [3]{c} x}{1+\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2} \, dx}{2 \sqrt [3]{c}}\\ &=-\frac{b \tan ^{-1}\left (\sqrt [3]{c} x\right )}{2 c^{2/3}}+\frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )-\frac{\left (\sqrt{3} b\right ) \int \frac{-\sqrt{3} \sqrt [3]{c}+2 c^{2/3} x}{1-\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2} \, dx}{8 c^{2/3}}+\frac{\left (\sqrt{3} b\right ) \int \frac{\sqrt{3} \sqrt [3]{c}+2 c^{2/3} x}{1+\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2} \, dx}{8 c^{2/3}}-\frac{b \int \frac{1}{1-\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2} \, dx}{8 \sqrt [3]{c}}-\frac{b \int \frac{1}{1+\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2} \, dx}{8 \sqrt [3]{c}}\\ &=-\frac{b \tan ^{-1}\left (\sqrt [3]{c} x\right )}{2 c^{2/3}}+\frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )-\frac{\sqrt{3} b \log \left (1-\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2\right )}{8 c^{2/3}}+\frac{\sqrt{3} b \log \left (1+\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2\right )}{8 c^{2/3}}-\frac{b \operatorname{Subst}\left (\int \frac{1}{-\frac{1}{3}-x^2} \, dx,x,1-\frac{2 \sqrt [3]{c} x}{\sqrt{3}}\right )}{4 \sqrt{3} c^{2/3}}+\frac{b \operatorname{Subst}\left (\int \frac{1}{-\frac{1}{3}-x^2} \, dx,x,1+\frac{2 \sqrt [3]{c} x}{\sqrt{3}}\right )}{4 \sqrt{3} c^{2/3}}\\ &=-\frac{b \tan ^{-1}\left (\sqrt [3]{c} x\right )}{2 c^{2/3}}+\frac{1}{2} x^2 \left (a+b \tan ^{-1}\left (c x^3\right )\right )+\frac{b \tan ^{-1}\left (\sqrt{3}-2 \sqrt [3]{c} x\right )}{4 c^{2/3}}-\frac{b \tan ^{-1}\left (\sqrt{3}+2 \sqrt [3]{c} x\right )}{4 c^{2/3}}-\frac{\sqrt{3} b \log \left (1-\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2\right )}{8 c^{2/3}}+\frac{\sqrt{3} b \log \left (1+\sqrt{3} \sqrt [3]{c} x+c^{2/3} x^2\right )}{8 c^{2/3}}\\ \end{align*}
Mathematica [A] time = 0.0254029, size = 170, normalized size = 1.03 \[ \frac{a x^2}{2}-\frac{\sqrt{3} b \log \left (c^{2/3} x^2-\sqrt{3} \sqrt [3]{c} x+1\right )}{8 c^{2/3}}+\frac{\sqrt{3} b \log \left (c^{2/3} x^2+\sqrt{3} \sqrt [3]{c} x+1\right )}{8 c^{2/3}}-\frac{b \tan ^{-1}\left (\sqrt [3]{c} x\right )}{2 c^{2/3}}+\frac{b \tan ^{-1}\left (\sqrt{3}-2 \sqrt [3]{c} x\right )}{4 c^{2/3}}-\frac{b \tan ^{-1}\left (2 \sqrt [3]{c} x+\sqrt{3}\right )}{4 c^{2/3}}+\frac{1}{2} b x^2 \tan ^{-1}\left (c x^3\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.056, size = 154, normalized size = 0.9 \begin{align*}{\frac{a{x}^{2}}{2}}+{\frac{b{x}^{2}\arctan \left ( c{x}^{3} \right ) }{2}}+{\frac{bc\sqrt{3}}{8} \left ({c}^{-2} \right ) ^{{\frac{5}{6}}}\ln \left ({x}^{2}+\sqrt{3}\sqrt [6]{{c}^{-2}}x+\sqrt [3]{{c}^{-2}} \right ) }-{\frac{b}{4\,c}\arctan \left ( 2\,{\frac{x}{\sqrt [6]{{c}^{-2}}}}+\sqrt{3} \right ){\frac{1}{\sqrt [6]{{c}^{-2}}}}}-{\frac{bc\sqrt{3}}{8} \left ({c}^{-2} \right ) ^{{\frac{5}{6}}}\ln \left ({x}^{2}-\sqrt{3}\sqrt [6]{{c}^{-2}}x+\sqrt [3]{{c}^{-2}} \right ) }-{\frac{b}{4\,c}\arctan \left ( 2\,{\frac{x}{\sqrt [6]{{c}^{-2}}}}-\sqrt{3} \right ){\frac{1}{\sqrt [6]{{c}^{-2}}}}}-{\frac{b}{2\,c}\arctan \left ({x{\frac{1}{\sqrt [6]{{c}^{-2}}}}} \right ){\frac{1}{\sqrt [6]{{c}^{-2}}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.5567, size = 412, normalized size = 2.5 \begin{align*} \frac{1}{2} \, a x^{2} + \frac{1}{8} \,{\left (4 \, x^{2} \arctan \left (c x^{3}\right ) + c{\left (\frac{\sqrt{3} \log \left ({\left (c^{2}\right )}^{\frac{1}{3}} x^{2} + \sqrt{3}{\left (c^{2}\right )}^{\frac{1}{6}} x + 1\right )}{{\left (c^{2}\right )}^{\frac{5}{6}}} - \frac{\sqrt{3} \log \left ({\left (c^{2}\right )}^{\frac{1}{3}} x^{2} - \sqrt{3}{\left (c^{2}\right )}^{\frac{1}{6}} x + 1\right )}{{\left (c^{2}\right )}^{\frac{5}{6}}} - \frac{2 \, \log \left (\frac{{\left (c^{2}\right )}^{\frac{1}{3}} x - \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}{{\left (c^{2}\right )}^{\frac{1}{3}} x + \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}\right )}{{\left (c^{2}\right )}^{\frac{2}{3}} \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}} - \frac{{\left (c^{2}\right )}^{\frac{1}{3}} \log \left (\frac{2 \,{\left (c^{2}\right )}^{\frac{1}{3}} x + \sqrt{3}{\left (c^{2}\right )}^{\frac{1}{6}} - \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}{2 \,{\left (c^{2}\right )}^{\frac{1}{3}} x + \sqrt{3}{\left (c^{2}\right )}^{\frac{1}{6}} + \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}\right )}{c^{2} \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}} - \frac{{\left (c^{2}\right )}^{\frac{1}{3}} \log \left (\frac{2 \,{\left (c^{2}\right )}^{\frac{1}{3}} x - \sqrt{3}{\left (c^{2}\right )}^{\frac{1}{6}} - \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}{2 \,{\left (c^{2}\right )}^{\frac{1}{3}} x - \sqrt{3}{\left (c^{2}\right )}^{\frac{1}{6}} + \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}\right )}{c^{2} \sqrt{-{\left (c^{2}\right )}^{\frac{1}{3}}}}\right )}\right )} b \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.53996, size = 971, normalized size = 5.88 \begin{align*} \frac{1}{2} \, b x^{2} \arctan \left (c x^{3}\right ) + \frac{1}{2} \, a x^{2} + \frac{1}{8} \, \sqrt{3} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} \log \left (b^{10} x^{2} + \sqrt{3} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{5}{6}} b^{5} c^{3} x + \left (\frac{b^{6}}{c^{4}}\right )^{\frac{2}{3}} b^{6} c^{2}\right ) - \frac{1}{8} \, \sqrt{3} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} \log \left (b^{10} x^{2} - \sqrt{3} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{5}{6}} b^{5} c^{3} x + \left (\frac{b^{6}}{c^{4}}\right )^{\frac{2}{3}} b^{6} c^{2}\right ) + \frac{1}{2} \, \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} \arctan \left (-\frac{2 \, \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} b^{5} c x + \sqrt{3} b^{6} - 2 \, \sqrt{b^{10} x^{2} + \sqrt{3} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{5}{6}} b^{5} c^{3} x + \left (\frac{b^{6}}{c^{4}}\right )^{\frac{2}{3}} b^{6} c^{2}} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} c}{b^{6}}\right ) + \frac{1}{2} \, \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} \arctan \left (-\frac{2 \, \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} b^{5} c x - \sqrt{3} b^{6} - 2 \, \sqrt{b^{10} x^{2} - \sqrt{3} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{5}{6}} b^{5} c^{3} x + \left (\frac{b^{6}}{c^{4}}\right )^{\frac{2}{3}} b^{6} c^{2}} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} c}{b^{6}}\right ) + \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} \arctan \left (-\frac{\left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} b^{5} c x - \sqrt{b^{10} x^{2} + \left (\frac{b^{6}}{c^{4}}\right )^{\frac{2}{3}} b^{6} c^{2}} \left (\frac{b^{6}}{c^{4}}\right )^{\frac{1}{6}} c}{b^{6}}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 67.1106, size = 1620, normalized size = 9.82 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.30739, size = 212, normalized size = 1.28 \begin{align*} \frac{1}{8} \, b c^{5}{\left (\frac{\sqrt{3}{\left | c \right |}^{\frac{1}{3}} \log \left (x^{2} + \frac{\sqrt{3} x}{{\left | c \right |}^{\frac{1}{3}}} + \frac{1}{{\left | c \right |}^{\frac{2}{3}}}\right )}{c^{6}} - \frac{\sqrt{3}{\left | c \right |}^{\frac{1}{3}} \log \left (x^{2} - \frac{\sqrt{3} x}{{\left | c \right |}^{\frac{1}{3}}} + \frac{1}{{\left | c \right |}^{\frac{2}{3}}}\right )}{c^{6}} - \frac{2 \,{\left | c \right |}^{\frac{1}{3}} \arctan \left ({\left (2 \, x + \frac{\sqrt{3}}{{\left | c \right |}^{\frac{1}{3}}}\right )}{\left | c \right |}^{\frac{1}{3}}\right )}{c^{6}} - \frac{2 \,{\left | c \right |}^{\frac{1}{3}} \arctan \left ({\left (2 \, x - \frac{\sqrt{3}}{{\left | c \right |}^{\frac{1}{3}}}\right )}{\left | c \right |}^{\frac{1}{3}}\right )}{c^{6}} - \frac{4 \,{\left | c \right |}^{\frac{1}{3}} \arctan \left (x{\left | c \right |}^{\frac{1}{3}}\right )}{c^{6}}\right )} + \frac{1}{2} \, b x^{2} \arctan \left (c x^{3}\right ) + \frac{1}{2} \, a x^{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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