Integrand size = 22, antiderivative size = 389 \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=-\frac {107 c^3 x^2}{7560 a}-\frac {11 a c^3 x^4}{1260}-\frac {1}{504} a^3 c^3 x^6-\frac {47 c^3 x \arctan (a x)}{1260 a^2}+\frac {239 c^3 x^3 \arctan (a x)}{3780}+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)+\frac {47 c^3 \arctan (a x)^2}{2520 a^3}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {16 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{105 a^3}+\frac {31 c^3 \log \left (1+a^2 x^2\right )}{945 a^3}-\frac {16 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{105 a^3}-\frac {8 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{105 a^3} \]
[Out]
Time = 2.17 (sec) , antiderivative size = 389, normalized size of antiderivative = 1.00, number of steps used = 132, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.545, Rules used = {5068, 4946, 5036, 4930, 266, 5004, 5040, 4964, 5114, 6745, 272, 45} \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)-\frac {16 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{i a x+1}\right )}{105 a^3}-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {47 c^3 \arctan (a x)^2}{2520 a^3}-\frac {16 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{105 a^3}-\frac {8 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{i a x+1}\right )}{105 a^3}-\frac {1}{504} a^3 c^3 x^6+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}-\frac {47 c^3 x \arctan (a x)}{1260 a^2}+\frac {31 c^3 \log \left (a^2 x^2+1\right )}{945 a^3}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {239 c^3 x^3 \arctan (a x)}{3780}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {11 a c^3 x^4}{1260}-\frac {107 c^3 x^2}{7560 a} \]
[In]
[Out]
Rule 45
Rule 266
Rule 272
Rule 4930
Rule 4946
Rule 4964
Rule 5004
Rule 5036
Rule 5040
Rule 5068
Rule 5114
Rule 6745
Rubi steps \begin{align*} \text {integral}& = \int \left (c^3 x^2 \arctan (a x)^3+3 a^2 c^3 x^4 \arctan (a x)^3+3 a^4 c^3 x^6 \arctan (a x)^3+a^6 c^3 x^8 \arctan (a x)^3\right ) \, dx \\ & = c^3 \int x^2 \arctan (a x)^3 \, dx+\left (3 a^2 c^3\right ) \int x^4 \arctan (a x)^3 \, dx+\left (3 a^4 c^3\right ) \int x^6 \arctan (a x)^3 \, dx+\left (a^6 c^3\right ) \int x^8 \arctan (a x)^3 \, dx \\ & = \frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\left (a c^3\right ) \int \frac {x^3 \arctan (a x)^2}{1+a^2 x^2} \, dx-\frac {1}{5} \left (9 a^3 c^3\right ) \int \frac {x^5 \arctan (a x)^2}{1+a^2 x^2} \, dx-\frac {1}{7} \left (9 a^5 c^3\right ) \int \frac {x^7 \arctan (a x)^2}{1+a^2 x^2} \, dx-\frac {1}{3} \left (a^7 c^3\right ) \int \frac {x^9 \arctan (a x)^2}{1+a^2 x^2} \, dx \\ & = \frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {c^3 \int x \arctan (a x)^2 \, dx}{a}+\frac {c^3 \int \frac {x \arctan (a x)^2}{1+a^2 x^2} \, dx}{a}-\frac {1}{5} \left (9 a c^3\right ) \int x^3 \arctan (a x)^2 \, dx+\frac {1}{5} \left (9 a c^3\right ) \int \frac {x^3 \arctan (a x)^2}{1+a^2 x^2} \, dx-\frac {1}{7} \left (9 a^3 c^3\right ) \int x^5 \arctan (a x)^2 \, dx+\frac {1}{7} \left (9 a^3 c^3\right ) \int \frac {x^5 \arctan (a x)^2}{1+a^2 x^2} \, dx-\frac {1}{3} \left (a^5 c^3\right ) \int x^7 \arctan (a x)^2 \, dx+\frac {1}{3} \left (a^5 c^3\right ) \int \frac {x^7 \arctan (a x)^2}{1+a^2 x^2} \, dx \\ & = -\frac {c^3 x^2 \arctan (a x)^2}{2 a}-\frac {9}{20} a c^3 x^4 \arctan (a x)^2-\frac {3}{14} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {i c^3 \arctan (a x)^3}{3 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3+c^3 \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {c^3 \int \frac {\arctan (a x)^2}{i-a x} \, dx}{a^2}+\frac {\left (9 c^3\right ) \int x \arctan (a x)^2 \, dx}{5 a}-\frac {\left (9 c^3\right ) \int \frac {x \arctan (a x)^2}{1+a^2 x^2} \, dx}{5 a}+\frac {1}{7} \left (9 a c^3\right ) \int x^3 \arctan (a x)^2 \, dx-\frac {1}{7} \left (9 a c^3\right ) \int \frac {x^3 \arctan (a x)^2}{1+a^2 x^2} \, dx+\frac {1}{10} \left (9 a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{3} \left (a^3 c^3\right ) \int x^5 \arctan (a x)^2 \, dx-\frac {1}{3} \left (a^3 c^3\right ) \int \frac {x^5 \arctan (a x)^2}{1+a^2 x^2} \, dx+\frac {1}{7} \left (3 a^4 c^3\right ) \int \frac {x^6 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{12} \left (a^6 c^3\right ) \int \frac {x^8 \arctan (a x)}{1+a^2 x^2} \, dx \\ & = \frac {2 c^3 x^2 \arctan (a x)^2}{5 a}-\frac {9}{70} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2+\frac {4 i c^3 \arctan (a x)^3}{15 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{a^3}+\frac {1}{10} \left (9 c^3\right ) \int x^2 \arctan (a x) \, dx-\frac {1}{10} \left (9 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{5} \left (9 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {c^3 \int \arctan (a x) \, dx}{a^2}-\frac {c^3 \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{a^2}+\frac {\left (9 c^3\right ) \int \frac {\arctan (a x)^2}{i-a x} \, dx}{5 a^2}+\frac {\left (2 c^3\right ) \int \frac {\arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{a^2}-\frac {\left (9 c^3\right ) \int x \arctan (a x)^2 \, dx}{7 a}+\frac {\left (9 c^3\right ) \int \frac {x \arctan (a x)^2}{1+a^2 x^2} \, dx}{7 a}-\frac {1}{3} \left (a c^3\right ) \int x^3 \arctan (a x)^2 \, dx+\frac {1}{3} \left (a c^3\right ) \int \frac {x^3 \arctan (a x)^2}{1+a^2 x^2} \, dx+\frac {1}{7} \left (3 a^2 c^3\right ) \int x^4 \arctan (a x) \, dx-\frac {1}{7} \left (3 a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{14} \left (9 a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{12} \left (a^4 c^3\right ) \int x^6 \arctan (a x) \, dx-\frac {1}{12} \left (a^4 c^3\right ) \int \frac {x^6 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{9} \left (a^4 c^3\right ) \int \frac {x^6 \arctan (a x)}{1+a^2 x^2} \, dx \\ & = \frac {c^3 x \arctan (a x)}{a^2}+\frac {3}{10} c^3 x^3 \arctan (a x)+\frac {3}{35} a^2 c^3 x^5 \arctan (a x)+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)-\frac {c^3 \arctan (a x)^2}{2 a^3}-\frac {17 c^3 x^2 \arctan (a x)^2}{70 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {17 i c^3 \arctan (a x)^3}{105 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3+\frac {4 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{5 a^3}-\frac {i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{a^3}-\frac {1}{7} \left (3 c^3\right ) \int x^2 \arctan (a x) \, dx+\frac {1}{7} \left (3 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{14} \left (9 c^3\right ) \int x^2 \arctan (a x) \, dx+\frac {1}{14} \left (9 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{7} \left (9 c^3\right ) \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {\left (i c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{a^2}-\frac {\left (9 c^3\right ) \int \arctan (a x) \, dx}{10 a^2}+\frac {\left (9 c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{10 a^2}-\frac {\left (9 c^3\right ) \int \frac {\arctan (a x)^2}{i-a x} \, dx}{7 a^2}-\frac {\left (9 c^3\right ) \int \arctan (a x) \, dx}{5 a^2}+\frac {\left (9 c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{5 a^2}-\frac {\left (18 c^3\right ) \int \frac {\arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{5 a^2}+\frac {c^3 \int x \arctan (a x)^2 \, dx}{3 a}-\frac {c^3 \int \frac {x \arctan (a x)^2}{1+a^2 x^2} \, dx}{3 a}-\frac {c^3 \int \frac {x}{1+a^2 x^2} \, dx}{a}-\frac {1}{10} \left (3 a c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx-\frac {1}{12} \left (a^2 c^3\right ) \int x^4 \arctan (a x) \, dx+\frac {1}{12} \left (a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{9} \left (a^2 c^3\right ) \int x^4 \arctan (a x) \, dx+\frac {1}{9} \left (a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{6} \left (a^2 c^3\right ) \int \frac {x^4 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{35} \left (3 a^3 c^3\right ) \int \frac {x^5}{1+a^2 x^2} \, dx-\frac {1}{84} \left (a^5 c^3\right ) \int \frac {x^7}{1+a^2 x^2} \, dx \\ & = -\frac {17 c^3 x \arctan (a x)}{10 a^2}-\frac {2}{35} c^3 x^3 \arctan (a x)+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)+\frac {17 c^3 \arctan (a x)^2}{20 a^3}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {17 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{35 a^3}-\frac {c^3 \log \left (1+a^2 x^2\right )}{2 a^3}+\frac {4 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{5 a^3}-\frac {c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{2 a^3}+\frac {1}{12} c^3 \int x^2 \arctan (a x) \, dx-\frac {1}{12} c^3 \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{9} c^3 \int x^2 \arctan (a x) \, dx-\frac {1}{9} c^3 \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{6} c^3 \int x^2 \arctan (a x) \, dx-\frac {1}{6} c^3 \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{3} c^3 \int \frac {x^2 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {\left (9 i c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{5 a^2}+\frac {c^3 \int \frac {\arctan (a x)^2}{i-a x} \, dx}{3 a^2}+\frac {\left (3 c^3\right ) \int \arctan (a x) \, dx}{7 a^2}-\frac {\left (3 c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{7 a^2}+\frac {\left (9 c^3\right ) \int \arctan (a x) \, dx}{14 a^2}-\frac {\left (9 c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{14 a^2}+\frac {\left (9 c^3\right ) \int \arctan (a x) \, dx}{7 a^2}-\frac {\left (9 c^3\right ) \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{7 a^2}+\frac {\left (18 c^3\right ) \int \frac {\arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{7 a^2}+\frac {\left (9 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx}{10 a}+\frac {\left (9 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx}{5 a}+\frac {1}{7} \left (a c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx-\frac {1}{20} \left (3 a c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{14} \left (3 a c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx+\frac {1}{60} \left (a^3 c^3\right ) \int \frac {x^5}{1+a^2 x^2} \, dx+\frac {1}{45} \left (a^3 c^3\right ) \int \frac {x^5}{1+a^2 x^2} \, dx-\frac {1}{70} \left (3 a^3 c^3\right ) \text {Subst}\left (\int \frac {x^2}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{168} \left (a^5 c^3\right ) \text {Subst}\left (\int \frac {x^3}{1+a^2 x} \, dx,x,x^2\right ) \\ & = \frac {23 c^3 x \arctan (a x)}{35 a^2}+\frac {239 c^3 x^3 \arctan (a x)}{3780}+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)-\frac {23 c^3 \arctan (a x)^2}{70 a^3}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {16 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{105 a^3}+\frac {17 c^3 \log \left (1+a^2 x^2\right )}{20 a^3}-\frac {17 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{35 a^3}+\frac {2 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{5 a^3}+\frac {\left (9 i c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{7 a^2}-\frac {c^3 \int \arctan (a x) \, dx}{12 a^2}+\frac {c^3 \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{12 a^2}-\frac {c^3 \int \arctan (a x) \, dx}{9 a^2}+\frac {c^3 \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{9 a^2}-\frac {c^3 \int \arctan (a x) \, dx}{6 a^2}+\frac {c^3 \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{6 a^2}-\frac {c^3 \int \arctan (a x) \, dx}{3 a^2}+\frac {c^3 \int \frac {\arctan (a x)}{1+a^2 x^2} \, dx}{3 a^2}-\frac {\left (2 c^3\right ) \int \frac {\arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{3 a^2}-\frac {\left (3 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx}{7 a}-\frac {\left (9 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx}{14 a}-\frac {\left (9 c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx}{7 a}-\frac {1}{36} \left (a c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx-\frac {1}{27} \left (a c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx-\frac {1}{18} \left (a c^3\right ) \int \frac {x^3}{1+a^2 x^2} \, dx+\frac {1}{14} \left (a c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{28} \left (3 a c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{20} \left (3 a 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}{120} \left (a^3 c^3\right ) \text {Subst}\left (\int \frac {x^2}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{90} \left (a^3 c^3\right ) \text {Subst}\left (\int \frac {x^2}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{70} \left (3 a^3 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 {1}{168} \left (a^5 c^3\right ) \text {Subst}\left (\int \left (\frac {1}{a^6}-\frac {x}{a^4}+\frac {x^2}{a^2}-\frac {1}{a^6 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right ) \\ & = -\frac {19 c^3 x^2}{168 a}-\frac {31 a c^3 x^4}{1680}-\frac {1}{504} a^3 c^3 x^6-\frac {47 c^3 x \arctan (a x)}{1260 a^2}+\frac {239 c^3 x^3 \arctan (a x)}{3780}+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)+\frac {47 c^3 \arctan (a x)^2}{2520 a^3}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {16 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{105 a^3}-\frac {181 c^3 \log \left (1+a^2 x^2\right )}{840 a^3}-\frac {16 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{105 a^3}-\frac {17 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{70 a^3}-\frac {\left (i c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{3 a^2}+\frac {c^3 \int \frac {x}{1+a^2 x^2} \, dx}{12 a}+\frac {c^3 \int \frac {x}{1+a^2 x^2} \, dx}{9 a}+\frac {c^3 \int \frac {x}{1+a^2 x^2} \, dx}{6 a}+\frac {c^3 \int \frac {x}{1+a^2 x^2} \, dx}{3 a}-\frac {1}{72} \left (a c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{54} \left (a c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{36} \left (a c^3\right ) \text {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{14} \left (a 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}{28} \left (3 a 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}{120} \left (a^3 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 {1}{90} \left (a^3 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 {29 c^3 x^2}{630 a}-\frac {11 a c^3 x^4}{1260}-\frac {1}{504} a^3 c^3 x^6-\frac {47 c^3 x \arctan (a x)}{1260 a^2}+\frac {239 c^3 x^3 \arctan (a x)}{3780}+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)+\frac {47 c^3 \arctan (a x)^2}{2520 a^3}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {16 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{105 a^3}-\frac {23 c^3 \log \left (1+a^2 x^2\right )}{840 a^3}-\frac {16 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{105 a^3}-\frac {8 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{105 a^3}-\frac {1}{72} \left (a 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}{54} \left (a 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}{36} \left (a 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 {107 c^3 x^2}{7560 a}-\frac {11 a c^3 x^4}{1260}-\frac {1}{504} a^3 c^3 x^6-\frac {47 c^3 x \arctan (a x)}{1260 a^2}+\frac {239 c^3 x^3 \arctan (a x)}{3780}+\frac {59 a^2 c^3 x^5 \arctan (a x)}{1260}+\frac {1}{84} a^4 c^3 x^7 \arctan (a x)+\frac {47 c^3 \arctan (a x)^2}{2520 a^3}-\frac {8 c^3 x^2 \arctan (a x)^2}{105 a}-\frac {89}{420} a c^3 x^4 \arctan (a x)^2-\frac {10}{63} a^3 c^3 x^6 \arctan (a x)^2-\frac {1}{24} a^5 c^3 x^8 \arctan (a x)^2-\frac {16 i c^3 \arctan (a x)^3}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^3+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^3+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^3+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^3-\frac {16 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{105 a^3}+\frac {31 c^3 \log \left (1+a^2 x^2\right )}{945 a^3}-\frac {16 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{105 a^3}-\frac {8 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{105 a^3} \\ \end{align*}
Time = 1.60 (sec) , antiderivative size = 281, normalized size of antiderivative = 0.72 \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\frac {c^3 \left (-56-107 a^2 x^2-66 a^4 x^4-15 a^6 x^6-282 a x \arctan (a x)+478 a^3 x^3 \arctan (a x)+354 a^5 x^5 \arctan (a x)+90 a^7 x^7 \arctan (a x)+141 \arctan (a x)^2-576 a^2 x^2 \arctan (a x)^2-1602 a^4 x^4 \arctan (a x)^2-1200 a^6 x^6 \arctan (a x)^2-315 a^8 x^8 \arctan (a x)^2+384 i \arctan (a x)^3+2520 a^3 x^3 \arctan (a x)^3+4536 a^5 x^5 \arctan (a x)^3+3240 a^7 x^7 \arctan (a x)^3+840 a^9 x^9 \arctan (a x)^3-1152 \arctan (a x)^2 \log \left (1+e^{2 i \arctan (a x)}\right )+248 \log \left (1+a^2 x^2\right )+1152 i \arctan (a x) \operatorname {PolyLog}\left (2,-e^{2 i \arctan (a x)}\right )-576 \operatorname {PolyLog}\left (3,-e^{2 i \arctan (a x)}\right )\right )}{7560 a^3} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 121.68 (sec) , antiderivative size = 1576, normalized size of antiderivative = 4.05
method | result | size |
derivativedivides | \(\text {Expression too large to display}\) | \(1576\) |
default | \(\text {Expression too large to display}\) | \(1576\) |
parts | \(\text {Expression too large to display}\) | \(1576\) |
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x^{2} \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=c^{3} \left (\int x^{2} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int 3 a^{2} x^{4} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int 3 a^{4} x^{6} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int a^{6} x^{8} \operatorname {atan}^{3}{\left (a x \right )}\, dx\right ) \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x^{2} \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x^{2} \arctan \left (a x\right )^{3} \,d x } \]
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Timed out. \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int x^2\,{\mathrm {atan}\left (a\,x\right )}^3\,{\left (c\,a^2\,x^2+c\right )}^3 \,d x \]
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