Integrand size = 19, antiderivative size = 388 \[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=-\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {16 i c^3 \arctan (a x)^3}{35 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {48 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{35 a}-\frac {7 c^3 \log \left (1+a^2 x^2\right )}{15 a}+\frac {48 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{35 a}+\frac {24 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{35 a} \]
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Time = 0.28 (sec) , antiderivative size = 388, normalized size of antiderivative = 1.00, number of steps used = 17, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.474, Rules used = {5000, 4930, 5040, 4964, 5004, 5114, 6745, 266, 4998} \[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\frac {1}{7} c^3 x \left (a^2 x^2+1\right )^3 \arctan (a x)^3+\frac {6}{35} c^3 x \left (a^2 x^2+1\right )^2 \arctan (a x)^3+\frac {8}{35} c^3 x \left (a^2 x^2+1\right ) \arctan (a x)^3-\frac {c^3 \left (a^2 x^2+1\right )^3 \arctan (a x)^2}{14 a}-\frac {9 c^3 \left (a^2 x^2+1\right )^2 \arctan (a x)^2}{70 a}-\frac {12 c^3 \left (a^2 x^2+1\right ) \arctan (a x)^2}{35 a}+\frac {1}{35} c^3 x \left (a^2 x^2+1\right )^2 \arctan (a x)+\frac {13}{105} c^3 x \left (a^2 x^2+1\right ) \arctan (a x)-\frac {c^3 \left (a^2 x^2+1\right )^2}{140 a}-\frac {13 c^3 \left (a^2 x^2+1\right )}{210 a}-\frac {7 c^3 \log \left (a^2 x^2+1\right )}{15 a}+\frac {48 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{i a x+1}\right )}{35 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {16 i c^3 \arctan (a x)^3}{35 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {48 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{35 a}+\frac {24 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{i a x+1}\right )}{35 a} \]
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Rule 266
Rule 4930
Rule 4964
Rule 4998
Rule 5000
Rule 5004
Rule 5040
Rule 5114
Rule 6745
Rubi steps \begin{align*} \text {integral}& = -\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {1}{7} c \int \left (c+a^2 c x^2\right )^2 \arctan (a x) \, dx+\frac {1}{7} (6 c) \int \left (c+a^2 c x^2\right )^2 \arctan (a x)^3 \, dx \\ & = -\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {1}{35} \left (4 c^2\right ) \int \left (c+a^2 c x^2\right ) \arctan (a x) \, dx+\frac {1}{35} \left (9 c^2\right ) \int \left (c+a^2 c x^2\right ) \arctan (a x) \, dx+\frac {1}{35} \left (24 c^2\right ) \int \left (c+a^2 c x^2\right ) \arctan (a x)^3 \, dx \\ & = -\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {1}{105} \left (8 c^3\right ) \int \arctan (a x) \, dx+\frac {1}{35} \left (6 c^3\right ) \int \arctan (a x) \, dx+\frac {1}{35} \left (16 c^3\right ) \int \arctan (a x)^3 \, dx+\frac {1}{35} \left (24 c^3\right ) \int \arctan (a x) \, dx \\ & = -\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3-\frac {1}{105} \left (8 a c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx-\frac {1}{35} \left (6 a c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx-\frac {1}{35} \left (24 a c^3\right ) \int \frac {x}{1+a^2 x^2} \, dx-\frac {1}{35} \left (48 a c^3\right ) \int \frac {x \arctan (a x)^2}{1+a^2 x^2} \, dx \\ & = -\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {16 i c^3 \arctan (a x)^3}{35 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3-\frac {7 c^3 \log \left (1+a^2 x^2\right )}{15 a}+\frac {1}{35} \left (48 c^3\right ) \int \frac {\arctan (a x)^2}{i-a x} \, dx \\ & = -\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {16 i c^3 \arctan (a x)^3}{35 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {48 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{35 a}-\frac {7 c^3 \log \left (1+a^2 x^2\right )}{15 a}-\frac {1}{35} \left (96 c^3\right ) \int \frac {\arctan (a x) \log \left (\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx \\ & = -\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {16 i c^3 \arctan (a x)^3}{35 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {48 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{35 a}-\frac {7 c^3 \log \left (1+a^2 x^2\right )}{15 a}+\frac {48 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{35 a}-\frac {1}{35} \left (48 i c^3\right ) \int \frac {\operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{1+a^2 x^2} \, dx \\ & = -\frac {13 c^3 \left (1+a^2 x^2\right )}{210 a}-\frac {c^3 \left (1+a^2 x^2\right )^2}{140 a}+\frac {14}{15} c^3 x \arctan (a x)+\frac {13}{105} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)+\frac {1}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)-\frac {12 c^3 \left (1+a^2 x^2\right ) \arctan (a x)^2}{35 a}-\frac {9 c^3 \left (1+a^2 x^2\right )^2 \arctan (a x)^2}{70 a}-\frac {c^3 \left (1+a^2 x^2\right )^3 \arctan (a x)^2}{14 a}+\frac {16 i c^3 \arctan (a x)^3}{35 a}+\frac {16}{35} c^3 x \arctan (a x)^3+\frac {8}{35} c^3 x \left (1+a^2 x^2\right ) \arctan (a x)^3+\frac {6}{35} c^3 x \left (1+a^2 x^2\right )^2 \arctan (a x)^3+\frac {1}{7} c^3 x \left (1+a^2 x^2\right )^3 \arctan (a x)^3+\frac {48 c^3 \arctan (a x)^2 \log \left (\frac {2}{1+i a x}\right )}{35 a}-\frac {7 c^3 \log \left (1+a^2 x^2\right )}{15 a}+\frac {48 i c^3 \arctan (a x) \operatorname {PolyLog}\left (2,1-\frac {2}{1+i a x}\right )}{35 a}+\frac {24 c^3 \operatorname {PolyLog}\left (3,1-\frac {2}{1+i a x}\right )}{35 a} \\ \end{align*}
Time = 1.00 (sec) , antiderivative size = 243, normalized size of antiderivative = 0.63 \[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\frac {c^3 \left (-29-32 a^2 x^2-3 a^4 x^4+456 a x \arctan (a x)+76 a^3 x^3 \arctan (a x)+12 a^5 x^5 \arctan (a x)-228 \arctan (a x)^2-342 a^2 x^2 \arctan (a x)^2-144 a^4 x^4 \arctan (a x)^2-30 a^6 x^6 \arctan (a x)^2-192 i \arctan (a x)^3+420 a x \arctan (a x)^3+420 a^3 x^3 \arctan (a x)^3+252 a^5 x^5 \arctan (a x)^3+60 a^7 x^7 \arctan (a x)^3+576 \arctan (a x)^2 \log \left (1+e^{2 i \arctan (a x)}\right )-196 \log \left (1+a^2 x^2\right )-576 i \arctan (a x) \operatorname {PolyLog}\left (2,-e^{2 i \arctan (a x)}\right )+288 \operatorname {PolyLog}\left (3,-e^{2 i \arctan (a x)}\right )\right )}{420 a} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 86.79 (sec) , antiderivative size = 1267, normalized size of antiderivative = 3.27
method | result | size |
derivativedivides | \(\text {Expression too large to display}\) | \(1267\) |
default | \(\text {Expression too large to display}\) | \(1267\) |
parts | \(\text {Expression too large to display}\) | \(1268\) |
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\[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=c^{3} \left (\int 3 a^{2} x^{2} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int 3 a^{4} x^{4} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int a^{6} x^{6} \operatorname {atan}^{3}{\left (a x \right )}\, dx + \int \operatorname {atan}^{3}{\left (a x \right )}\, dx\right ) \]
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\[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{3} \,d x } \]
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\[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{3} \,d x } \]
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Timed out. \[ \int \left (c+a^2 c x^2\right )^3 \arctan (a x)^3 \, dx=\int {\mathrm {atan}\left (a\,x\right )}^3\,{\left (c\,a^2\,x^2+c\right )}^3 \,d x \]
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