Optimal. Leaf size=161 \[ \frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )+\frac {b \log \left (c x^2-\sqrt {2} \sqrt {c} x+1\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \log \left (c x^2+\sqrt {2} \sqrt {c} x+1\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \tan ^{-1}\left (1-\sqrt {2} \sqrt {c} x\right )}{5 \sqrt {2} c^{5/2}}+\frac {b \tan ^{-1}\left (\sqrt {2} \sqrt {c} x+1\right )}{5 \sqrt {2} c^{5/2}}-\frac {2 b x^3}{15 c} \]
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Rubi [A] time = 0.11, antiderivative size = 161, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 8, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {5033, 321, 297, 1162, 617, 204, 1165, 628} \[ \frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )+\frac {b \log \left (c x^2-\sqrt {2} \sqrt {c} x+1\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \log \left (c x^2+\sqrt {2} \sqrt {c} x+1\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \tan ^{-1}\left (1-\sqrt {2} \sqrt {c} x\right )}{5 \sqrt {2} c^{5/2}}+\frac {b \tan ^{-1}\left (\sqrt {2} \sqrt {c} x+1\right )}{5 \sqrt {2} c^{5/2}}-\frac {2 b x^3}{15 c} \]
Antiderivative was successfully verified.
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Rule 204
Rule 297
Rule 321
Rule 617
Rule 628
Rule 1162
Rule 1165
Rule 5033
Rubi steps
\begin {align*} \int x^4 \left (a+b \tan ^{-1}\left (c x^2\right )\right ) \, dx &=\frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )-\frac {1}{5} (2 b c) \int \frac {x^6}{1+c^2 x^4} \, dx\\ &=-\frac {2 b x^3}{15 c}+\frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )+\frac {(2 b) \int \frac {x^2}{1+c^2 x^4} \, dx}{5 c}\\ &=-\frac {2 b x^3}{15 c}+\frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )-\frac {b \int \frac {1-c x^2}{1+c^2 x^4} \, dx}{5 c^2}+\frac {b \int \frac {1+c x^2}{1+c^2 x^4} \, dx}{5 c^2}\\ &=-\frac {2 b x^3}{15 c}+\frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )+\frac {b \int \frac {1}{\frac {1}{c}-\frac {\sqrt {2} x}{\sqrt {c}}+x^2} \, dx}{10 c^3}+\frac {b \int \frac {1}{\frac {1}{c}+\frac {\sqrt {2} x}{\sqrt {c}}+x^2} \, dx}{10 c^3}+\frac {b \int \frac {\frac {\sqrt {2}}{\sqrt {c}}+2 x}{-\frac {1}{c}-\frac {\sqrt {2} x}{\sqrt {c}}-x^2} \, dx}{10 \sqrt {2} c^{5/2}}+\frac {b \int \frac {\frac {\sqrt {2}}{\sqrt {c}}-2 x}{-\frac {1}{c}+\frac {\sqrt {2} x}{\sqrt {c}}-x^2} \, dx}{10 \sqrt {2} c^{5/2}}\\ &=-\frac {2 b x^3}{15 c}+\frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )+\frac {b \log \left (1-\sqrt {2} \sqrt {c} x+c x^2\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \log \left (1+\sqrt {2} \sqrt {c} x+c x^2\right )}{10 \sqrt {2} c^{5/2}}+\frac {b \operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\sqrt {2} \sqrt {c} x\right )}{5 \sqrt {2} c^{5/2}}-\frac {b \operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\sqrt {2} \sqrt {c} x\right )}{5 \sqrt {2} c^{5/2}}\\ &=-\frac {2 b x^3}{15 c}+\frac {1}{5} x^5 \left (a+b \tan ^{-1}\left (c x^2\right )\right )-\frac {b \tan ^{-1}\left (1-\sqrt {2} \sqrt {c} x\right )}{5 \sqrt {2} c^{5/2}}+\frac {b \tan ^{-1}\left (1+\sqrt {2} \sqrt {c} x\right )}{5 \sqrt {2} c^{5/2}}+\frac {b \log \left (1-\sqrt {2} \sqrt {c} x+c x^2\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \log \left (1+\sqrt {2} \sqrt {c} x+c x^2\right )}{10 \sqrt {2} c^{5/2}}\\ \end {align*}
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Mathematica [A] time = 0.06, size = 179, normalized size = 1.11 \[ \frac {a x^5}{5}+\frac {b \log \left (c x^2-\sqrt {2} \sqrt {c} x+1\right )}{10 \sqrt {2} c^{5/2}}-\frac {b \log \left (c x^2+\sqrt {2} \sqrt {c} x+1\right )}{10 \sqrt {2} c^{5/2}}+\frac {b \tan ^{-1}\left (\frac {2 \sqrt {c} x-\sqrt {2}}{\sqrt {2}}\right )}{5 \sqrt {2} c^{5/2}}+\frac {b \tan ^{-1}\left (\frac {2 \sqrt {c} x+\sqrt {2}}{\sqrt {2}}\right )}{5 \sqrt {2} c^{5/2}}-\frac {2 b x^3}{15 c}+\frac {1}{5} b x^5 \tan ^{-1}\left (c x^2\right ) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.46, size = 372, normalized size = 2.31 \[ \frac {12 \, b c x^{5} \arctan \left (c x^{2}\right ) + 12 \, a c x^{5} - 8 \, b x^{3} - 12 \, \sqrt {2} c \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} \arctan \left (-\frac {\sqrt {2} b^{3} c^{3} x \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} - \sqrt {2} \sqrt {\sqrt {2} b^{3} c^{7} x \left (\frac {b^{4}}{c^{10}}\right )^{\frac {3}{4}} + b^{4} c^{4} \sqrt {\frac {b^{4}}{c^{10}}} + b^{6} x^{2}} c^{3} \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} + b^{4}}{b^{4}}\right ) - 12 \, \sqrt {2} c \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} \arctan \left (-\frac {\sqrt {2} b^{3} c^{3} x \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} - \sqrt {2} \sqrt {-\sqrt {2} b^{3} c^{7} x \left (\frac {b^{4}}{c^{10}}\right )^{\frac {3}{4}} + b^{4} c^{4} \sqrt {\frac {b^{4}}{c^{10}}} + b^{6} x^{2}} c^{3} \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} - b^{4}}{b^{4}}\right ) - 3 \, \sqrt {2} c \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} \log \left (\sqrt {2} b^{3} c^{7} x \left (\frac {b^{4}}{c^{10}}\right )^{\frac {3}{4}} + b^{4} c^{4} \sqrt {\frac {b^{4}}{c^{10}}} + b^{6} x^{2}\right ) + 3 \, \sqrt {2} c \left (\frac {b^{4}}{c^{10}}\right )^{\frac {1}{4}} \log \left (-\sqrt {2} b^{3} c^{7} x \left (\frac {b^{4}}{c^{10}}\right )^{\frac {3}{4}} + b^{4} c^{4} \sqrt {\frac {b^{4}}{c^{10}}} + b^{6} x^{2}\right )}{60 \, c} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 2.85, size = 169, normalized size = 1.05 \[ \frac {1}{20} \, b c^{9} {\left (\frac {2 \, \sqrt {2} \sqrt {{\left | c \right |}} \arctan \left (\frac {1}{2} \, \sqrt {2} {\left (2 \, x + \frac {\sqrt {2}}{\sqrt {{\left | c \right |}}}\right )} \sqrt {{\left | c \right |}}\right )}{c^{12}} + \frac {2 \, \sqrt {2} \sqrt {{\left | c \right |}} \arctan \left (\frac {1}{2} \, \sqrt {2} {\left (2 \, x - \frac {\sqrt {2}}{\sqrt {{\left | c \right |}}}\right )} \sqrt {{\left | c \right |}}\right )}{c^{12}} - \frac {\sqrt {2} \log \left (x^{2} + \frac {\sqrt {2} x}{\sqrt {{\left | c \right |}}} + \frac {1}{{\left | c \right |}}\right )}{c^{10} {\left | c \right |}^{\frac {3}{2}}} + \frac {\sqrt {2} \sqrt {{\left | c \right |}} \log \left (x^{2} - \frac {\sqrt {2} x}{\sqrt {{\left | c \right |}}} + \frac {1}{{\left | c \right |}}\right )}{c^{12}}\right )} + \frac {3 \, b c x^{5} \arctan \left (c x^{2}\right ) + 3 \, a c x^{5} - 2 \, b x^{3}}{15 \, c} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 140, normalized size = 0.87 \[ \frac {a \,x^{5}}{5}+\frac {b \,x^{5} \arctan \left (c \,x^{2}\right )}{5}-\frac {2 b \,x^{3}}{15 c}+\frac {b \sqrt {2}\, \ln \left (\frac {x^{2}-\left (\frac {1}{c^{2}}\right )^{\frac {1}{4}} x \sqrt {2}+\sqrt {\frac {1}{c^{2}}}}{x^{2}+\left (\frac {1}{c^{2}}\right )^{\frac {1}{4}} x \sqrt {2}+\sqrt {\frac {1}{c^{2}}}}\right )}{20 c^{3} \left (\frac {1}{c^{2}}\right )^{\frac {1}{4}}}+\frac {b \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, x}{\left (\frac {1}{c^{2}}\right )^{\frac {1}{4}}}+1\right )}{10 c^{3} \left (\frac {1}{c^{2}}\right )^{\frac {1}{4}}}+\frac {b \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, x}{\left (\frac {1}{c^{2}}\right )^{\frac {1}{4}}}-1\right )}{10 c^{3} \left (\frac {1}{c^{2}}\right )^{\frac {1}{4}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.45, size = 147, normalized size = 0.91 \[ \frac {1}{5} \, a x^{5} + \frac {1}{60} \, {\left (12 \, x^{5} \arctan \left (c x^{2}\right ) - c {\left (\frac {8 \, x^{3}}{c^{2}} - \frac {3 \, {\left (\frac {2 \, \sqrt {2} \arctan \left (\frac {\sqrt {2} {\left (2 \, c x + \sqrt {2} \sqrt {c}\right )}}{2 \, \sqrt {c}}\right )}{c^{\frac {3}{2}}} + \frac {2 \, \sqrt {2} \arctan \left (\frac {\sqrt {2} {\left (2 \, c x - \sqrt {2} \sqrt {c}\right )}}{2 \, \sqrt {c}}\right )}{c^{\frac {3}{2}}} - \frac {\sqrt {2} \log \left (c x^{2} + \sqrt {2} \sqrt {c} x + 1\right )}{c^{\frac {3}{2}}} + \frac {\sqrt {2} \log \left (c x^{2} - \sqrt {2} \sqrt {c} x + 1\right )}{c^{\frac {3}{2}}}\right )}}{c^{2}}\right )}\right )} b \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.36, size = 64, normalized size = 0.40 \[ \frac {a\,x^5}{5}-\frac {2\,b\,x^3}{15\,c}+\frac {b\,x^5\,\mathrm {atan}\left (c\,x^2\right )}{5}+\frac {{\left (-1\right )}^{1/4}\,b\,\mathrm {atan}\left ({\left (-1\right )}^{1/4}\,\sqrt {c}\,x\right )}{5\,c^{5/2}}+\frac {{\left (-1\right )}^{1/4}\,b\,\mathrm {atan}\left ({\left (-1\right )}^{1/4}\,\sqrt {c}\,x\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{5\,c^{5/2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 33.03, size = 184, normalized size = 1.14 \[ \begin {cases} \frac {a x^{5}}{5} + \frac {b x^{5} \operatorname {atan}{\left (c x^{2} \right )}}{5} - \frac {2 b x^{3}}{15 c} - \frac {\left (-1\right )^{\frac {3}{4}} b \log {\left (x - \sqrt [4]{-1} \sqrt [4]{\frac {1}{c^{2}}} \right )}}{5 c^{3} \sqrt [4]{\frac {1}{c^{2}}}} + \frac {\left (-1\right )^{\frac {3}{4}} b \log {\left (x^{2} + i \sqrt {\frac {1}{c^{2}}} \right )}}{10 c^{3} \sqrt [4]{\frac {1}{c^{2}}}} + \frac {\left (-1\right )^{\frac {3}{4}} b \operatorname {atan}{\left (\frac {\left (-1\right )^{\frac {3}{4}} x}{\sqrt [4]{\frac {1}{c^{2}}}} \right )}}{5 c^{3} \sqrt [4]{\frac {1}{c^{2}}}} - \frac {\sqrt [4]{-1} b \operatorname {atan}{\left (c x^{2} \right )}}{5 c^{6} \left (\frac {1}{c^{2}}\right )^{\frac {7}{4}}} & \text {for}\: c \neq 0 \\\frac {a x^{5}}{5} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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