Integrand size = 22, antiderivative size = 287 \[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\frac {29}{180} a^2 c^3 x^2+\frac {1}{60} a^4 c^3 x^4-\frac {11}{6} a c^3 x \arctan (a x)-\frac {7}{18} a^3 c^3 x^3 \arctan (a x)-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {11}{12} c^3 \arctan (a x)^2+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )+\frac {34}{45} c^3 \log \left (1+a^2 x^2\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )-\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )+\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,-1+\frac {2}{1+i a x}\right ) \]
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Time = 0.58 (sec) , antiderivative size = 287, normalized size of antiderivative = 1.00, number of steps used = 38, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.545, Rules used = {5068, 4942, 5108, 5004, 5114, 6745, 4946, 5036, 4930, 266, 272, 45} \[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{60} a^4 c^3 x^4-\frac {7}{18} a^3 c^3 x^3 \arctan (a x)+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {29}{180} a^2 c^3 x^2+\frac {34}{45} c^3 \log \left (a^2 x^2+1\right )+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{i a x+1}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,\frac {2}{i a x+1}-1\right )-\frac {11}{6} a c^3 x \arctan (a x)+\frac {11}{12} c^3 \arctan (a x)^2-\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{i a x+1}\right )+\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,\frac {2}{i a x+1}-1\right ) \]
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Rule 45
Rule 266
Rule 272
Rule 4930
Rule 4942
Rule 4946
Rule 5004
Rule 5036
Rule 5068
Rule 5108
Rule 5114
Rule 6745
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {c^3 \arctan (a x)^2}{x}+3 a^2 c^3 x \arctan (a x)^2+3 a^4 c^3 x^3 \arctan (a x)^2+a^6 c^3 x^5 \arctan (a x)^2\right ) \, dx \\ & = c^3 \int \frac {\arctan (a x)^2}{x} \, dx+\left (3 a^2 c^3\right ) \int x \arctan (a x)^2 \, dx+\left (3 a^4 c^3\right ) \int x^3 \arctan (a x)^2 \, dx+\left (a^6 c^3\right ) \int x^5 \arctan (a x)^2 \, dx \\ & = \frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )-\left (4 a c^3\right ) \int \frac {\arctan (a x) \text {arctanh}\left (1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\left (3 a^3 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{2} \left (3 a^5 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{3} \left (a^7 c^3\right ) \int \frac {x^6 \arctan (a x)}{1+a^2 x^2} \, dx \\ & = \frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )+\left (2 a c^3\right ) \int \frac {\arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\left (2 a c^3\right ) \int \frac {\arctan (a x) \log \left (2-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\left (3 a c^3\right ) \int \arctan (a x) \, dx+\left (3 a c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{2} \left (3 a^3 c^3\right ) \int x^2 \arctan (a x) \, dx+\frac {1}{2} \left (3 a^3 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{3} \left (a^5 c^3\right ) \int x^4 \arctan (a x) \, dx+\frac {1}{3} \left (a^5 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx \\ & = -3 a c^3 x \arctan (a x)-\frac {1}{2} a^3 c^3 x^3 \arctan (a x)-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {3}{2} c^3 \arctan (a x)^2+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )+\left (i a c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\left (i a c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx+\frac {1}{2} \left (3 a c^3\right ) \int \arctan (a x) \, dx-\frac {1}{2} \left (3 a c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx+\left (3 a^2 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx+\frac {1}{3} \left (a^3 c^3\right ) \int x^2 \arctan (a x) \, dx-\frac {1}{3} \left (a^3 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{2} \left (a^4 c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx+\frac {1}{15} \left (a^6 c^3\right ) \int \frac {x^5}{1+a^2 x^2} \, dx \\ & = -\frac {3}{2} a c^3 x \arctan (a x)-\frac {7}{18} a^3 c^3 x^3 \arctan (a x)-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {3}{4} c^3 \arctan (a x)^2+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )+\frac {3}{2} c^3 \log \left (1+a^2 x^2\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )-\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )+\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,-1+\frac {2}{1+i a x}\right )-\frac {1}{3} \left (a c^3\right ) \int \arctan (a x) \, dx+\frac {1}{3} \left (a c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{2} \left (3 a^2 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx-\frac {1}{9} \left (a^4 c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx+\frac {1}{4} \left (a^4 c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{30} \left (a^6 c^3\right ) \text {Subst}\left (\int \frac {x^2}{1+a^2 x} \, dx,x,x^2\right ) \\ & = -\frac {11}{6} a c^3 x \arctan (a x)-\frac {7}{18} a^3 c^3 x^3 \arctan (a x)-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {11}{12} c^3 \arctan (a x)^2+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )+\frac {3}{4} c^3 \log \left (1+a^2 x^2\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )-\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )+\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,-1+\frac {2}{1+i a x}\right )+\frac {1}{3} \left (a^2 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx-\frac {1}{18} \left (a^4 c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{4} \left (a^4 c^3\right ) \text {Subst}\left (\int \left (\frac {1}{a^2}-\frac {1}{a^2 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )+\frac {1}{30} \left (a^6 c^3\right ) \text {Subst}\left (\int \left (-\frac {1}{a^4}+\frac {x}{a^2}+\frac {1}{a^4 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right ) \\ & = \frac {13}{60} a^2 c^3 x^2+\frac {1}{60} a^4 c^3 x^4-\frac {11}{6} a c^3 x \arctan (a x)-\frac {7}{18} a^3 c^3 x^3 \arctan (a x)-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {11}{12} c^3 \arctan (a x)^2+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )+\frac {7}{10} c^3 \log \left (1+a^2 x^2\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )-\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )+\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,-1+\frac {2}{1+i a x}\right )-\frac {1}{18} \left (a^4 c^3\right ) \text {Subst}\left (\int \left (\frac {1}{a^2}-\frac {1}{a^2 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right ) \\ & = \frac {29}{180} a^2 c^3 x^2+\frac {1}{60} a^4 c^3 x^4-\frac {11}{6} a c^3 x \arctan (a x)-\frac {7}{18} a^3 c^3 x^3 \arctan (a x)-\frac {1}{15} a^5 c^3 x^5 \arctan (a x)+\frac {11}{12} c^3 \arctan (a x)^2+\frac {3}{2} a^2 c^3 x^2 \arctan (a x)^2+\frac {3}{4} a^4 c^3 x^4 \arctan (a x)^2+\frac {1}{6} a^6 c^3 x^6 \arctan (a x)^2+2 c^3 \arctan (a x)^2 \text {arctanh}\left (1-\frac {2}{1+i a x}\right )+\frac {34}{45} c^3 \log \left (1+a^2 x^2\right )-i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )+i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,-1+\frac {2}{1+i a x}\right )-\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )+\frac {1}{2} c^3 \operatorname {PolyLog}\left (3,-1+\frac {2}{1+i a x}\right ) \\ \end{align*}
Time = 0.46 (sec) , antiderivative size = 252, normalized size of antiderivative = 0.88 \[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\frac {1}{360} c^3 \left (52-15 i \pi ^3+58 a^2 x^2+6 a^4 x^4-660 a x \arctan (a x)-140 a^3 x^3 \arctan (a x)-24 a^5 x^5 \arctan (a x)+330 \arctan (a x)^2+540 a^2 x^2 \arctan (a x)^2+270 a^4 x^4 \arctan (a x)^2+60 a^6 x^6 \arctan (a x)^2+240 i \arctan (a x)^3+360 \arctan (a x)^2 \log \left (1-e^{-2 i \arctan (a x)}\right )-360 \arctan (a x)^2 \log \left (1+e^{2 i \arctan (a x)}\right )+272 \log \left (1+a^2 x^2\right )+360 i \arctan (a x) \operatorname {PolyLog}\left (2,e^{-2 i \arctan (a x)}\right )+360 i \arctan (a x) \operatorname {PolyLog}\left (2,-e^{2 i \arctan (a x)}\right )+180 \operatorname {PolyLog}\left (3,e^{-2 i \arctan (a x)}\right )-180 \operatorname {PolyLog}\left (3,-e^{2 i \arctan (a x)}\right )\right ) \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 68.15 (sec) , antiderivative size = 1405, normalized size of antiderivative = 4.90
method | result | size |
derivativedivides | \(\text {Expression too large to display}\) | \(1405\) |
default | \(\text {Expression too large to display}\) | \(1405\) |
parts | \(\text {Expression too large to display}\) | \(1948\) |
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\[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\int { \frac {{\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{2}}{x} \,d x } \]
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\[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=c^{3} \left (\int \frac {\operatorname {atan}^{2}{\left (a x \right )}}{x}\, dx + \int 3 a^{2} x \operatorname {atan}^{2}{\left (a x \right )}\, dx + \int 3 a^{4} x^{3} \operatorname {atan}^{2}{\left (a x \right )}\, dx + \int a^{6} x^{5} \operatorname {atan}^{2}{\left (a x \right )}\, dx\right ) \]
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\[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\int { \frac {{\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{2}}{x} \,d x } \]
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\[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\int { \frac {{\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{2}}{x} \,d x } \]
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Timed out. \[ \int \frac {\left (c+a^2 c x^2\right )^3 \arctan (a x)^2}{x} \, dx=\int \frac {{\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^3}{x} \,d x \]
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