Integrand size = 22, antiderivative size = 274 \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=-\frac {47 c^3 x}{3780 a^2}+\frac {239 c^3 x^3}{11340}+\frac {59 a^2 c^3 x^5}{3780}+\frac {1}{252} a^4 c^3 x^7+\frac {47 c^3 \arctan (a x)}{3780 a^3}-\frac {16 c^3 x^2 \arctan (a x)}{315 a}-\frac {89}{630} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {16 i c^3 \arctan (a x)^2}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {32 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{315 a^3}-\frac {16 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{315 a^3} \]
[Out]
Time = 0.84 (sec) , antiderivative size = 274, normalized size of antiderivative = 1.00, number of steps used = 68, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.455, Rules used = {5068, 4946, 5036, 327, 209, 5040, 4964, 2449, 2352, 308} \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{252} a^4 c^3 x^7-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {16 i c^3 \arctan (a x)^2}{315 a^3}+\frac {47 c^3 \arctan (a x)}{3780 a^3}-\frac {32 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{315 a^3}-\frac {16 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{i a x+1}\right )}{315 a^3}+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {59 a^2 c^3 x^5}{3780}-\frac {47 c^3 x}{3780 a^2}-\frac {89}{630} a c^3 x^4 \arctan (a x)+\frac {1}{3} c^3 x^3 \arctan (a x)^2-\frac {16 c^3 x^2 \arctan (a x)}{315 a}+\frac {239 c^3 x^3}{11340} \]
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[Out]
Rule 209
Rule 308
Rule 327
Rule 2352
Rule 2449
Rule 4946
Rule 4964
Rule 5036
Rule 5040
Rule 5068
Rubi steps \begin{align*} \text {integral}& = \int \left (c^3 x^2 \arctan (a x)^2+3 a^2 c^3 x^4 \arctan (a x)^2+3 a^4 c^3 x^6 \arctan (a x)^2+a^6 c^3 x^8 \arctan (a x)^2\right ) \, dx \\ & = c^3 \int x^2 \arctan (a x)^2 \, dx+\left (3 a^2 c^3\right ) \int x^4 \arctan (a x)^2 \, dx+\left (3 a^4 c^3\right ) \int x^6 \arctan (a x)^2 \, dx+\left (a^6 c^3\right ) \int x^8 \arctan (a x)^2 \, dx \\ & = \frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {1}{3} \left (2 a c^3\right ) \int \frac {x^3 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{5} \left (6 a^3 c^3\right ) \int \frac {x^5 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{7} \left (6 a^5 c^3\right ) \int \frac {x^7 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{9} \left (2 a^7 c^3\right ) \int \frac {x^9 \arctan (a x)}{1+a^2 x^2} \, dx \\ & = \frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {\left (2 c^3\right ) \int x \arctan (a x) \, dx}{3 a}+\frac {\left (2 c^3\right ) \int \frac {x \arctan (a x)}{1+a^2 x^2} \, dx}{3 a}-\frac {1}{5} \left (6 a c^3\right ) \int x^3 \arctan (a x) \, dx+\frac {1}{5} \left (6 a c^3\right ) \int \frac {x^3 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{7} \left (6 a^3 c^3\right ) \int x^5 \arctan (a x) \, dx+\frac {1}{7} \left (6 a^3 c^3\right ) \int \frac {x^5 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{9} \left (2 a^5 c^3\right ) \int x^7 \arctan (a x) \, dx+\frac {1}{9} \left (2 a^5 c^3\right ) \int \frac {x^7 \arctan (a x)}{1+a^2 x^2} \, dx \\ & = -\frac {c^3 x^2 \arctan (a x)}{3 a}-\frac {3}{10} a c^3 x^4 \arctan (a x)-\frac {1}{7} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {i c^3 \arctan (a x)^2}{3 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2+\frac {1}{3} c^3 \int \frac {x^2}{1+a^2 x^2} \, dx-\frac {\left (2 c^3\right ) \int \frac {\arctan (a x)}{i-a x} \, dx}{3 a^2}+\frac {\left (6 c^3\right ) \int x \arctan (a x) \, dx}{5 a}-\frac {\left (6 c^3\right ) \int \frac {x \arctan (a x)}{1+a^2 x^2} \, dx}{5 a}+\frac {1}{7} \left (6 a c^3\right ) \int x^3 \arctan (a x) \, dx-\frac {1}{7} \left (6 a c^3\right ) \int \frac {x^3 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{10} \left (3 a^2 c^3\right ) \int \frac {x^4}{1+a^2 x^2} \, dx+\frac {1}{9} \left (2 a^3 c^3\right ) \int x^5 \arctan (a x) \, dx-\frac {1}{9} \left (2 a^3 c^3\right ) \int \frac {x^5 \arctan (a x)}{1+a^2 x^2} \, dx+\frac {1}{7} \left (a^4 c^3\right ) \int \frac {x^6}{1+a^2 x^2} \, dx+\frac {1}{36} \left (a^6 c^3\right ) \int \frac {x^8}{1+a^2 x^2} \, dx \\ & = \frac {c^3 x}{3 a^2}+\frac {4 c^3 x^2 \arctan (a x)}{15 a}-\frac {3}{35} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)+\frac {4 i c^3 \arctan (a x)^2}{15 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {2 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{3 a^3}-\frac {1}{5} \left (3 c^3\right ) \int \frac {x^2}{1+a^2 x^2} \, dx-\frac {c^3 \int \frac {1}{1+a^2 x^2} \, dx}{3 a^2}+\frac {\left (2 c^3\right ) \int \frac {\log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{3 a^2}+\frac {\left (6 c^3\right ) \int \frac {\arctan (a x)}{i-a x} \, dx}{5 a^2}-\frac {\left (6 c^3\right ) \int x \arctan (a x) \, dx}{7 a}+\frac {\left (6 c^3\right ) \int \frac {x \arctan (a x)}{1+a^2 x^2} \, dx}{7 a}-\frac {1}{9} \left (2 a c^3\right ) \int x^3 \arctan (a x) \, dx+\frac {1}{9} \left (2 a c^3\right ) \int \frac {x^3 \arctan (a x)}{1+a^2 x^2} \, dx-\frac {1}{14} \left (3 a^2 c^3\right ) \int \frac {x^4}{1+a^2 x^2} \, dx+\frac {1}{10} \left (3 a^2 c^3\right ) \int \left (-\frac {1}{a^4}+\frac {x^2}{a^2}+\frac {1}{a^4 \left (1+a^2 x^2\right )}\right ) \, dx-\frac {1}{27} \left (a^4 c^3\right ) \int \frac {x^6}{1+a^2 x^2} \, dx+\frac {1}{7} \left (a^4 c^3\right ) \int \left (\frac {1}{a^6}-\frac {x^2}{a^4}+\frac {x^4}{a^2}-\frac {1}{a^6 \left (1+a^2 x^2\right )}\right ) \, dx+\frac {1}{36} \left (a^6 c^3\right ) \int \left (-\frac {1}{a^8}+\frac {x^2}{a^6}-\frac {x^4}{a^4}+\frac {x^6}{a^2}+\frac {1}{a^8 \left (1+a^2 x^2\right )}\right ) \, dx \\ & = -\frac {569 c^3 x}{1260 a^2}+\frac {233 c^3 x^3}{3780}+\frac {29 a^2 c^3 x^5}{1260}+\frac {1}{252} a^4 c^3 x^7-\frac {c^3 \arctan (a x)}{3 a^3}-\frac {17 c^3 x^2 \arctan (a x)}{105 a}-\frac {89}{630} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {17 i c^3 \arctan (a x)^2}{105 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2+\frac {8 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{15 a^3}+\frac {1}{7} \left (3 c^3\right ) \int \frac {x^2}{1+a^2 x^2} \, dx-\frac {\left (2 i c^3\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i a x}\right )}{3 a^3}+\frac {c^3 \int \frac {1}{1+a^2 x^2} \, dx}{36 a^2}-\frac {c^3 \int \frac {1}{1+a^2 x^2} \, dx}{7 a^2}+\frac {\left (3 c^3\right ) \int \frac {1}{1+a^2 x^2} \, dx}{10 a^2}+\frac {\left (3 c^3\right ) \int \frac {1}{1+a^2 x^2} \, dx}{5 a^2}-\frac {\left (6 c^3\right ) \int \frac {\arctan (a x)}{i-a x} \, dx}{7 a^2}-\frac {\left (6 c^3\right ) \int \frac {\log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{5 a^2}+\frac {\left (2 c^3\right ) \int x \arctan (a x) \, dx}{9 a}-\frac {\left (2 c^3\right ) \int \frac {x \arctan (a x)}{1+a^2 x^2} \, dx}{9 a}+\frac {1}{18} \left (a^2 c^3\right ) \int \frac {x^4}{1+a^2 x^2} \, dx-\frac {1}{14} \left (3 a^2 c^3\right ) \int \left (-\frac {1}{a^4}+\frac {x^2}{a^2}+\frac {1}{a^4 \left (1+a^2 x^2\right )}\right ) \, dx-\frac {1}{27} \left (a^4 c^3\right ) \int \left (\frac {1}{a^6}-\frac {x^2}{a^4}+\frac {x^4}{a^2}-\frac {1}{a^6 \left (1+a^2 x^2\right )}\right ) \, dx \\ & = \frac {583 c^3 x}{3780 a^2}+\frac {29 c^3 x^3}{11340}+\frac {59 a^2 c^3 x^5}{3780}+\frac {1}{252} a^4 c^3 x^7+\frac {569 c^3 \arctan (a x)}{1260 a^3}-\frac {16 c^3 x^2 \arctan (a x)}{315 a}-\frac {89}{630} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {16 i c^3 \arctan (a x)^2}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {34 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{105 a^3}-\frac {i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{3 a^3}-\frac {1}{9} c^3 \int \frac {x^2}{1+a^2 x^2} \, dx+\frac {\left (6 i c^3\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i a x}\right )}{5 a^3}+\frac {c^3 \int \frac {1}{1+a^2 x^2} \, dx}{27 a^2}-\frac {\left (3 c^3\right ) \int \frac {1}{1+a^2 x^2} \, dx}{14 a^2}+\frac {\left (2 c^3\right ) \int \frac {\arctan (a x)}{i-a x} \, dx}{9 a^2}-\frac {\left (3 c^3\right ) \int \frac {1}{1+a^2 x^2} \, dx}{7 a^2}+\frac {\left (6 c^3\right ) \int \frac {\log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{7 a^2}+\frac {1}{18} \left (a^2 c^3\right ) \int \left (-\frac {1}{a^4}+\frac {x^2}{a^2}+\frac {1}{a^4 \left (1+a^2 x^2\right )}\right ) \, dx \\ & = -\frac {47 c^3 x}{3780 a^2}+\frac {239 c^3 x^3}{11340}+\frac {59 a^2 c^3 x^5}{3780}+\frac {1}{252} a^4 c^3 x^7-\frac {583 c^3 \arctan (a x)}{3780 a^3}-\frac {16 c^3 x^2 \arctan (a x)}{315 a}-\frac {89}{630} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {16 i c^3 \arctan (a x)^2}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {32 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{315 a^3}+\frac {4 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{15 a^3}-\frac {\left (6 i c^3\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i a x}\right )}{7 a^3}+\frac {c^3 \int \frac {1}{1+a^2 x^2} \, dx}{18 a^2}+\frac {c^3 \int \frac {1}{1+a^2 x^2} \, dx}{9 a^2}-\frac {\left (2 c^3\right ) \int \frac {\log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{9 a^2} \\ & = -\frac {47 c^3 x}{3780 a^2}+\frac {239 c^3 x^3}{11340}+\frac {59 a^2 c^3 x^5}{3780}+\frac {1}{252} a^4 c^3 x^7+\frac {47 c^3 \arctan (a x)}{3780 a^3}-\frac {16 c^3 x^2 \arctan (a x)}{315 a}-\frac {89}{630} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {16 i c^3 \arctan (a x)^2}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {32 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{315 a^3}-\frac {17 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{105 a^3}+\frac {\left (2 i c^3\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i a x}\right )}{9 a^3} \\ & = -\frac {47 c^3 x}{3780 a^2}+\frac {239 c^3 x^3}{11340}+\frac {59 a^2 c^3 x^5}{3780}+\frac {1}{252} a^4 c^3 x^7+\frac {47 c^3 \arctan (a x)}{3780 a^3}-\frac {16 c^3 x^2 \arctan (a x)}{315 a}-\frac {89}{630} a c^3 x^4 \arctan (a x)-\frac {20}{189} a^3 c^3 x^6 \arctan (a x)-\frac {1}{36} a^5 c^3 x^8 \arctan (a x)-\frac {16 i c^3 \arctan (a x)^2}{315 a^3}+\frac {1}{3} c^3 x^3 \arctan (a x)^2+\frac {3}{5} a^2 c^3 x^5 \arctan (a x)^2+\frac {3}{7} a^4 c^3 x^7 \arctan (a x)^2+\frac {1}{9} a^6 c^3 x^9 \arctan (a x)^2-\frac {32 c^3 \arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{315 a^3}-\frac {16 i c^3 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{315 a^3} \\ \end{align*}
Time = 1.93 (sec) , antiderivative size = 157, normalized size of antiderivative = 0.57 \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=\frac {c^3 \left (a x \left (-141+239 a^2 x^2+177 a^4 x^4+45 a^6 x^6\right )+36 \left (16 i+105 a^3 x^3+189 a^5 x^5+135 a^7 x^7+35 a^9 x^9\right ) \arctan (a x)^2-3 \arctan (a x) \left (-47+192 a^2 x^2+534 a^4 x^4+400 a^6 x^6+105 a^8 x^8+384 \log \left (1+e^{2 i \arctan (a x)}\right )\right )+576 i \operatorname {PolyLog}\left (2,-e^{2 i \arctan (a x)}\right )\right )}{11340 a^3} \]
[In]
[Out]
Time = 3.81 (sec) , antiderivative size = 306, normalized size of antiderivative = 1.12
method | result | size |
derivativedivides | \(\frac {\frac {c^{3} \arctan \left (a x \right )^{2} a^{9} x^{9}}{9}+\frac {3 c^{3} \arctan \left (a x \right )^{2} a^{7} x^{7}}{7}+\frac {3 a^{5} c^{3} x^{5} \arctan \left (a x \right )^{2}}{5}+\frac {a^{3} c^{3} x^{3} \arctan \left (a x \right )^{2}}{3}-\frac {2 c^{3} \left (\frac {35 \arctan \left (a x \right ) a^{8} x^{8}}{8}+\frac {50 a^{6} \arctan \left (a x \right ) x^{6}}{3}+\frac {89 \arctan \left (a x \right ) a^{4} x^{4}}{4}+8 a^{2} \arctan \left (a x \right ) x^{2}-8 \arctan \left (a x \right ) \ln \left (a^{2} x^{2}+1\right )-\frac {5 a^{7} x^{7}}{8}-\frac {59 a^{5} x^{5}}{24}-\frac {239 a^{3} x^{3}}{72}+\frac {47 a x}{24}-\frac {47 \arctan \left (a x \right )}{24}-4 i \left (\ln \left (a x -i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (-\frac {i \left (a x +i\right )}{2}\right )-\ln \left (a x -i\right ) \ln \left (-\frac {i \left (a x +i\right )}{2}\right )-\frac {\ln \left (a x -i\right )^{2}}{2}\right )+4 i \left (\ln \left (a x +i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (\frac {i \left (a x -i\right )}{2}\right )-\ln \left (a x +i\right ) \ln \left (\frac {i \left (a x -i\right )}{2}\right )-\frac {\ln \left (a x +i\right )^{2}}{2}\right )\right )}{315}}{a^{3}}\) | \(306\) |
default | \(\frac {\frac {c^{3} \arctan \left (a x \right )^{2} a^{9} x^{9}}{9}+\frac {3 c^{3} \arctan \left (a x \right )^{2} a^{7} x^{7}}{7}+\frac {3 a^{5} c^{3} x^{5} \arctan \left (a x \right )^{2}}{5}+\frac {a^{3} c^{3} x^{3} \arctan \left (a x \right )^{2}}{3}-\frac {2 c^{3} \left (\frac {35 \arctan \left (a x \right ) a^{8} x^{8}}{8}+\frac {50 a^{6} \arctan \left (a x \right ) x^{6}}{3}+\frac {89 \arctan \left (a x \right ) a^{4} x^{4}}{4}+8 a^{2} \arctan \left (a x \right ) x^{2}-8 \arctan \left (a x \right ) \ln \left (a^{2} x^{2}+1\right )-\frac {5 a^{7} x^{7}}{8}-\frac {59 a^{5} x^{5}}{24}-\frac {239 a^{3} x^{3}}{72}+\frac {47 a x}{24}-\frac {47 \arctan \left (a x \right )}{24}-4 i \left (\ln \left (a x -i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (-\frac {i \left (a x +i\right )}{2}\right )-\ln \left (a x -i\right ) \ln \left (-\frac {i \left (a x +i\right )}{2}\right )-\frac {\ln \left (a x -i\right )^{2}}{2}\right )+4 i \left (\ln \left (a x +i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (\frac {i \left (a x -i\right )}{2}\right )-\ln \left (a x +i\right ) \ln \left (\frac {i \left (a x -i\right )}{2}\right )-\frac {\ln \left (a x +i\right )^{2}}{2}\right )\right )}{315}}{a^{3}}\) | \(306\) |
parts | \(\frac {a^{6} c^{3} x^{9} \arctan \left (a x \right )^{2}}{9}+\frac {3 a^{4} c^{3} x^{7} \arctan \left (a x \right )^{2}}{7}+\frac {3 a^{2} c^{3} x^{5} \arctan \left (a x \right )^{2}}{5}+\frac {c^{3} x^{3} \arctan \left (a x \right )^{2}}{3}-\frac {2 c^{3} \left (\frac {35 a^{5} \arctan \left (a x \right ) x^{8}}{8}+\frac {50 a^{3} \arctan \left (a x \right ) x^{6}}{3}+\frac {89 a \arctan \left (a x \right ) x^{4}}{4}+\frac {8 \arctan \left (a x \right ) x^{2}}{a}-\frac {8 \arctan \left (a x \right ) \ln \left (a^{2} x^{2}+1\right )}{a^{3}}-\frac {15 a^{7} x^{7}+59 a^{5} x^{5}+\frac {239 a^{3} x^{3}}{3}-47 a x +47 \arctan \left (a x \right )+96 i \left (\ln \left (a x -i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (-\frac {i \left (a x +i\right )}{2}\right )-\ln \left (a x -i\right ) \ln \left (-\frac {i \left (a x +i\right )}{2}\right )-\frac {\ln \left (a x -i\right )^{2}}{2}\right )-96 i \left (\ln \left (a x +i\right ) \ln \left (a^{2} x^{2}+1\right )-\operatorname {dilog}\left (\frac {i \left (a x -i\right )}{2}\right )-\ln \left (a x +i\right ) \ln \left (\frac {i \left (a x -i\right )}{2}\right )-\frac {\ln \left (a x +i\right )^{2}}{2}\right )}{24 a^{3}}\right )}{315}\) | \(306\) |
risch | \(-\frac {8 i c^{3} \ln \left (-i a x +1\right ) x^{2}}{315 a}-\frac {16 i c^{3} \ln \left (\frac {1}{2}+\frac {i a x}{2}\right ) \ln \left (\frac {1}{2}-\frac {i a x}{2}\right )}{315 a^{3}}+\frac {16 i c^{3} \ln \left (\frac {1}{2}+\frac {i a x}{2}\right ) \ln \left (-i a x +1\right )}{315 a^{3}}-\frac {8 i c^{3} \ln \left (i a x +1\right ) \ln \left (-i a x +1\right )}{315 a^{3}}+\frac {3 c^{3} a^{2} \ln \left (i a x +1\right ) \ln \left (-i a x +1\right ) x^{5}}{10}+\frac {c^{3} a^{6} \ln \left (i a x +1\right ) \ln \left (-i a x +1\right ) x^{9}}{18}+\frac {3 c^{3} a^{4} \ln \left (i a x +1\right ) \ln \left (-i a x +1\right ) x^{7}}{14}-\frac {47 c^{3} x}{3780 a^{2}}+\frac {59 a^{2} c^{3} x^{5}}{3780}+\frac {a^{4} c^{3} x^{7}}{252}+\frac {47 c^{3} \arctan \left (a x \right )}{3780 a^{3}}+\frac {239 c^{3} x^{3}}{11340}+\frac {i c^{3} a^{5} \ln \left (i a x +1\right ) x^{8}}{72}+\frac {10 i c^{3} a^{3} \ln \left (i a x +1\right ) x^{6}}{189}+\frac {8 i c^{3} \ln \left (i a x +1\right ) x^{2}}{315 a}-\frac {i c^{3} a^{5} \ln \left (-i a x +1\right ) x^{8}}{72}-\frac {10 i c^{3} a^{3} \ln \left (-i a x +1\right ) x^{6}}{189}-\frac {89 i c^{3} a \ln \left (-i a x +1\right ) x^{4}}{1260}+\frac {89 i c^{3} a \ln \left (i a x +1\right ) x^{4}}{1260}-\frac {c^{3} \ln \left (i a x +1\right )^{2} x^{3}}{12}-\frac {c^{3} \ln \left (-i a x +1\right )^{2} x^{3}}{12}-\frac {1613119 i c^{3}}{31255875 a^{3}}-\frac {c^{3} a^{6} \ln \left (-i a x +1\right )^{2} x^{9}}{36}-\frac {3 c^{3} a^{4} \ln \left (-i a x +1\right )^{2} x^{7}}{28}+\frac {c^{3} \ln \left (i a x +1\right ) \ln \left (-i a x +1\right ) x^{3}}{6}-\frac {4 i c^{3} \ln \left (i a x +1\right )^{2}}{315 a^{3}}+\frac {4 i c^{3} \ln \left (-i a x +1\right )^{2}}{315 a^{3}}-\frac {16 i c^{3} \operatorname {dilog}\left (\frac {1}{2}-\frac {i a x}{2}\right )}{315 a^{3}}-\frac {3 c^{3} a^{4} \ln \left (i a x +1\right )^{2} x^{7}}{28}-\frac {3 c^{3} a^{2} \ln \left (i a x +1\right )^{2} x^{5}}{20}-\frac {c^{3} a^{6} \ln \left (i a x +1\right )^{2} x^{9}}{36}-\frac {3 c^{3} a^{2} \ln \left (-i a x +1\right )^{2} x^{5}}{20}\) | \(615\) |
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x^{2} \arctan \left (a x\right )^{2} \,d x } \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=c^{3} \left (\int x^{2} \operatorname {atan}^{2}{\left (a x \right )}\, dx + \int 3 a^{2} x^{4} \operatorname {atan}^{2}{\left (a x \right )}\, dx + \int 3 a^{4} x^{6} \operatorname {atan}^{2}{\left (a x \right )}\, dx + \int a^{6} x^{8} \operatorname {atan}^{2}{\left (a x \right )}\, dx\right ) \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x^{2} \arctan \left (a x\right )^{2} \,d x } \]
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\[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} x^{2} \arctan \left (a x\right )^{2} \,d x } \]
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Timed out. \[ \int x^2 \left (c+a^2 c x^2\right )^3 \arctan (a x)^2 \, dx=\int x^2\,{\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^3 \,d x \]
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