Integrand size = 20, antiderivative size = 308 \[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=-\frac {19 c^3 x}{140 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {6 i c^3 \arctan (a x)^2}{35 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {12 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{35 a^2}-\frac {6 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{35 a^2} \]
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Time = 0.19 (sec) , antiderivative size = 308, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.450, Rules used = {5050, 5000, 4930, 5040, 4964, 2449, 2352, 8, 200} \[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=-\frac {1}{280} a^3 c^3 x^5-\frac {3 c^3 x \left (a^2 x^2+1\right )^3 \arctan (a x)^2}{56 a}-\frac {9 c^3 x \left (a^2 x^2+1\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (a^2 x^2+1\right ) \arctan (a x)^2}{35 a}+\frac {c^3 \left (a^2 x^2+1\right )^4 \arctan (a x)^3}{8 a^2}+\frac {c^3 \left (a^2 x^2+1\right )^3 \arctan (a x)}{56 a^2}+\frac {9 c^3 \left (a^2 x^2+1\right )^2 \arctan (a x)}{280 a^2}+\frac {3 c^3 \left (a^2 x^2+1\right ) \arctan (a x)}{35 a^2}-\frac {6 i c^3 \arctan (a x)^2}{35 a^2}-\frac {12 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{35 a^2}-\frac {6 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{i a x+1}\right )}{35 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {19}{840} a c^3 x^3-\frac {19 c^3 x}{140 a} \]
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Rule 8
Rule 200
Rule 2352
Rule 2449
Rule 4930
Rule 4964
Rule 5000
Rule 5040
Rule 5050
Rubi steps \begin{align*} \text {integral}& = \frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {3 \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx}{8 a} \\ & = \frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {c \int \left (c+a^2 c x^2\right )^2 \, dx}{56 a}-\frac {(9 c) \int \left (c+a^2 c x^2\right )^2 \arctan (a x)^2 \, dx}{28 a} \\ & = \frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {c \int \left (c^2+2 a^2 c^2 x^2+a^4 c^2 x^4\right ) \, dx}{56 a}-\frac {\left (9 c^2\right ) \int \left (c+a^2 c x^2\right ) \, dx}{280 a}-\frac {\left (9 c^2\right ) \int \left (c+a^2 c x^2\right ) \arctan (a x)^2 \, dx}{35 a} \\ & = -\frac {c^3 x}{20 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {\left (3 c^3\right ) \int 1 \, dx}{35 a}-\frac {\left (6 c^3\right ) \int \arctan (a x)^2 \, dx}{35 a} \\ & = -\frac {19 c^3 x}{140 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}+\frac {1}{35} \left (12 c^3\right ) \int \frac {x \arctan (a x)}{1+a^2 x^2} \, dx \\ & = -\frac {19 c^3 x}{140 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {6 i c^3 \arctan (a x)^2}{35 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {\left (12 c^3\right ) \int \frac {\arctan (a x)}{i-a x} \, dx}{35 a} \\ & = -\frac {19 c^3 x}{140 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {6 i c^3 \arctan (a x)^2}{35 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {12 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{35 a^2}+\frac {\left (12 c^3\right ) \int \frac {\log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{35 a} \\ & = -\frac {19 c^3 x}{140 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {6 i c^3 \arctan (a x)^2}{35 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {12 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{35 a^2}-\frac {\left (12 i c^3\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i a x}\right )}{35 a^2} \\ & = -\frac {19 c^3 x}{140 a}-\frac {19}{840} a c^3 x^3-\frac {1}{280} a^3 c^3 x^5+\frac {3 c^3 \left (1+a^2 x^2\right ) \arctan (a x)}{35 a^2}+\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)}{280 a^2}+\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)}{56 a^2}-\frac {6 i c^3 \arctan (a x)^2}{35 a^2}-\frac {6 c^3 x \arctan (a x)^2}{35 a}-\frac {3 c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{140 a}-\frac {3 c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{56 a}+\frac {c^3 \left (1+a^2 x^2\right )^4 \arctan (a x)^3}{8 a^2}-\frac {12 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{35 a^2}-\frac {6 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{35 a^2} \\ \end{align*}
Time = 1.10 (sec) , antiderivative size = 157, normalized size of antiderivative = 0.51 \[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\frac {c^3 \left (-a x \left (114+19 a^2 x^2+3 a^4 x^4\right )-9 \left (-16 i+35 a x+35 a^3 x^3+21 a^5 x^5+5 a^7 x^7\right ) \arctan (a x)^2+105 \left (1+a^2 x^2\right )^4 \arctan (a x)^3+3 \arctan (a x) \left (38+57 a^2 x^2+24 a^4 x^4+5 a^6 x^6-96 \log \left (1+e^{2 i \arctan (a x)}\right )\right )+144 i \operatorname {PolyLog}\left (2,-e^{2 i \arctan (a x)}\right )\right )}{840 a^2} \]
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Time = 5.19 (sec) , antiderivative size = 346, normalized size of antiderivative = 1.12
method | result | size |
parts | \(\frac {c^{3} \arctan \left (a x \right )^{3} a^{6} x^{8}}{8}+\frac {c^{3} \arctan \left (a x \right )^{3} a^{4} x^{6}}{2}+\frac {3 c^{3} \arctan \left (a x \right )^{3} a^{2} x^{4}}{4}+\frac {c^{3} \arctan \left (a x \right )^{3} x^{2}}{2}+\frac {c^{3} \arctan \left (a x \right )^{3}}{8 a^{2}}-\frac {3 c^{3} \left (\frac {\arctan \left (a x \right )^{2} a^{7} x^{7}}{7}+\frac {3 a^{5} \arctan \left (a x \right )^{2} x^{5}}{5}+a^{3} \arctan \left (a x \right )^{2} x^{3}+a \arctan \left (a x \right )^{2} x -\frac {a^{6} \arctan \left (a x \right ) x^{6}}{21}-\frac {8 \arctan \left (a x \right ) a^{4} x^{4}}{35}-\frac {19 a^{2} \arctan \left (a x \right ) x^{2}}{35}-\frac {16 \arctan \left (a x \right ) \ln \left (a^{2} x^{2}+1\right )}{35}+\frac {a^{5} x^{5}}{105}+\frac {19 a^{3} x^{3}}{315}+\frac {38 a x}{105}-\frac {38 \arctan \left (a x \right )}{105}-\frac {8 i \left (\ln \left (a x -i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (-\frac {i \left (a x +i\right )}{2}\right )-\ln \left (a x -i\right ) \ln \left (-\frac {i \left (a x +i\right )}{2}\right )-\frac {\ln \left (a x -i\right )^{2}}{2}\right )}{35}+\frac {8 i \left (\ln \left (a x +i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (\frac {i \left (a x -i\right )}{2}\right )-\ln \left (a x +i\right ) \ln \left (\frac {i \left (a x -i\right )}{2}\right )-\frac {\ln \left (a x +i\right )^{2}}{2}\right )}{35}\right )}{8 a^{2}}\) | \(346\) |
derivativedivides | \(\frac {\frac {c^{3} \arctan \left (a x \right )^{3} a^{8} x^{8}}{8}+\frac {a^{6} c^{3} x^{6} \arctan \left (a x \right )^{3}}{2}+\frac {3 a^{4} c^{3} x^{4} \arctan \left (a x \right )^{3}}{4}+\frac {a^{2} c^{3} x^{2} \arctan \left (a x \right )^{3}}{2}+\frac {c^{3} \arctan \left (a x \right )^{3}}{8}-\frac {3 c^{3} \left (\frac {\arctan \left (a x \right )^{2} a^{7} x^{7}}{7}+\frac {3 a^{5} \arctan \left (a x \right )^{2} x^{5}}{5}+a^{3} \arctan \left (a x \right )^{2} x^{3}+a \arctan \left (a x \right )^{2} x -\frac {a^{6} \arctan \left (a x \right ) x^{6}}{21}-\frac {8 \arctan \left (a x \right ) a^{4} x^{4}}{35}-\frac {19 a^{2} \arctan \left (a x \right ) x^{2}}{35}-\frac {16 \arctan \left (a x \right ) \ln \left (a^{2} x^{2}+1\right )}{35}+\frac {a^{5} x^{5}}{105}+\frac {19 a^{3} x^{3}}{315}+\frac {38 a x}{105}-\frac {38 \arctan \left (a x \right )}{105}-\frac {8 i \left (\ln \left (a x -i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (-\frac {i \left (a x +i\right )}{2}\right )-\ln \left (a x -i\right ) \ln \left (-\frac {i \left (a x +i\right )}{2}\right )-\frac {\ln \left (a x -i\right )^{2}}{2}\right )}{35}+\frac {8 i \left (\ln \left (a x +i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (\frac {i \left (a x -i\right )}{2}\right )-\ln \left (a x +i\right ) \ln \left (\frac {i \left (a x -i\right )}{2}\right )-\frac {\ln \left (a x +i\right )^{2}}{2}\right )}{35}\right )}{8}}{a^{2}}\) | \(347\) |
default | \(\frac {\frac {c^{3} \arctan \left (a x \right )^{3} a^{8} x^{8}}{8}+\frac {a^{6} c^{3} x^{6} \arctan \left (a x \right )^{3}}{2}+\frac {3 a^{4} c^{3} x^{4} \arctan \left (a x \right )^{3}}{4}+\frac {a^{2} c^{3} x^{2} \arctan \left (a x \right )^{3}}{2}+\frac {c^{3} \arctan \left (a x \right )^{3}}{8}-\frac {3 c^{3} \left (\frac {\arctan \left (a x \right )^{2} a^{7} x^{7}}{7}+\frac {3 a^{5} \arctan \left (a x \right )^{2} x^{5}}{5}+a^{3} \arctan \left (a x \right )^{2} x^{3}+a \arctan \left (a x \right )^{2} x -\frac {a^{6} \arctan \left (a x \right ) x^{6}}{21}-\frac {8 \arctan \left (a x \right ) a^{4} x^{4}}{35}-\frac {19 a^{2} \arctan \left (a x \right ) x^{2}}{35}-\frac {16 \arctan \left (a x \right ) \ln \left (a^{2} x^{2}+1\right )}{35}+\frac {a^{5} x^{5}}{105}+\frac {19 a^{3} x^{3}}{315}+\frac {38 a x}{105}-\frac {38 \arctan \left (a x \right )}{105}-\frac {8 i \left (\ln \left (a x -i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (-\frac {i \left (a x +i\right )}{2}\right )-\ln \left (a x -i\right ) \ln \left (-\frac {i \left (a x +i\right )}{2}\right )-\frac {\ln \left (a x -i\right )^{2}}{2}\right )}{35}+\frac {8 i \left (\ln \left (a x +i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (\frac {i \left (a x -i\right )}{2}\right )-\ln \left (a x +i\right ) \ln \left (\frac {i \left (a x -i\right )}{2}\right )-\frac {\ln \left (a x +i\right )^{2}}{2}\right )}{35}\right )}{8}}{a^{2}}\) | \(347\) |
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\[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=c^{3} \left (\int x \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int 3 a^{2} x^{3} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int 3 a^{4} x^{5} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int a^{6} x^{7} \operatorname {atan}^{3}{\left (a x \right )}\, dx\right ) \]
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\[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x \arctan \left (a x\right )^{3} \,d x } \]
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Timed out. \[ \int x \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int x\,{\mathrm {atan}\left (a\,x\right )}^3\,{\left (c\,a^2\,x^2+c\right )}^3 \,d x \]
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