Integrand size = 23, antiderivative size = 244 \[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=-\frac {b c}{2 d^2 x}-\frac {b c^2}{2 d^2 (i-c x)}-\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {i c^2 (a+b \arctan (c x))}{d^2 (i-c x)}-\frac {3 a c^2 \log (x)}{d^2}-\frac {2 i b c^2 \log (x)}{d^2}-\frac {3 c^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{d^2}+\frac {i b c^2 \log \left (1+c^2 x^2\right )}{d^2}-\frac {3 i b c^2 \operatorname {PolyLog}(2,-i c x)}{2 d^2}+\frac {3 i b c^2 \operatorname {PolyLog}(2,i c x)}{2 d^2}-\frac {3 i b c^2 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{2 d^2} \]
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Time = 0.20 (sec) , antiderivative size = 244, normalized size of antiderivative = 1.00, number of steps used = 21, number of rules used = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.696, Rules used = {4996, 4946, 331, 209, 272, 36, 29, 31, 4940, 2438, 4972, 641, 46, 4964, 2449, 2352} \[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=-\frac {i c^2 (a+b \arctan (c x))}{d^2 (-c x+i)}-\frac {3 c^2 \log \left (\frac {2}{1+i c x}\right ) (a+b \arctan (c x))}{d^2}-\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {3 a c^2 \log (x)}{d^2}-\frac {3 i b c^2 \operatorname {PolyLog}(2,-i c x)}{2 d^2}+\frac {3 i b c^2 \operatorname {PolyLog}(2,i c x)}{2 d^2}-\frac {3 i b c^2 \operatorname {PolyLog}\left (2,1-\frac {2}{i c x+1}\right )}{2 d^2}+\frac {i b c^2 \log \left (c^2 x^2+1\right )}{d^2}-\frac {b c^2}{2 d^2 (-c x+i)}-\frac {2 i b c^2 \log (x)}{d^2}-\frac {b c}{2 d^2 x} \]
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Rule 29
Rule 31
Rule 36
Rule 46
Rule 209
Rule 272
Rule 331
Rule 641
Rule 2352
Rule 2438
Rule 2449
Rule 4940
Rule 4946
Rule 4964
Rule 4972
Rule 4996
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a+b \arctan (c x)}{d^2 x^3}-\frac {2 i c (a+b \arctan (c x))}{d^2 x^2}-\frac {3 c^2 (a+b \arctan (c x))}{d^2 x}-\frac {i c^3 (a+b \arctan (c x))}{d^2 (-i+c x)^2}+\frac {3 c^3 (a+b \arctan (c x))}{d^2 (-i+c x)}\right ) \, dx \\ & = \frac {\int \frac {a+b \arctan (c x)}{x^3} \, dx}{d^2}-\frac {(2 i c) \int \frac {a+b \arctan (c x)}{x^2} \, dx}{d^2}-\frac {\left (3 c^2\right ) \int \frac {a+b \arctan (c x)}{x} \, dx}{d^2}-\frac {\left (i c^3\right ) \int \frac {a+b \arctan (c x)}{(-i+c x)^2} \, dx}{d^2}+\frac {\left (3 c^3\right ) \int \frac {a+b \arctan (c x)}{-i+c x} \, dx}{d^2} \\ & = -\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {i c^2 (a+b \arctan (c x))}{d^2 (i-c x)}-\frac {3 a c^2 \log (x)}{d^2}-\frac {3 c^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{d^2}+\frac {(b c) \int \frac {1}{x^2 \left (1+c^2 x^2\right )} \, dx}{2 d^2}-\frac {\left (3 i b c^2\right ) \int \frac {\log (1-i c x)}{x} \, dx}{2 d^2}+\frac {\left (3 i b c^2\right ) \int \frac {\log (1+i c x)}{x} \, dx}{2 d^2}-\frac {\left (2 i b c^2\right ) \int \frac {1}{x \left (1+c^2 x^2\right )} \, dx}{d^2}-\frac {\left (i b c^3\right ) \int \frac {1}{(-i+c x) \left (1+c^2 x^2\right )} \, dx}{d^2}+\frac {\left (3 b c^3\right ) \int \frac {\log \left (\frac {2}{1+i c x}\right )}{1+c^2 x^2} \, dx}{d^2} \\ & = -\frac {b c}{2 d^2 x}-\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {i c^2 (a+b \arctan (c x))}{d^2 (i-c x)}-\frac {3 a c^2 \log (x)}{d^2}-\frac {3 c^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{d^2}-\frac {3 i b c^2 \operatorname {PolyLog}(2,-i c x)}{2 d^2}+\frac {3 i b c^2 \operatorname {PolyLog}(2,i c x)}{2 d^2}-\frac {\left (i b c^2\right ) \text {Subst}\left (\int \frac {1}{x \left (1+c^2 x\right )} \, dx,x,x^2\right )}{d^2}-\frac {\left (3 i b c^2\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i c x}\right )}{d^2}-\frac {\left (i b c^3\right ) \int \frac {1}{(-i+c x)^2 (i+c x)} \, dx}{d^2}-\frac {\left (b c^3\right ) \int \frac {1}{1+c^2 x^2} \, dx}{2 d^2} \\ & = -\frac {b c}{2 d^2 x}-\frac {b c^2 \arctan (c x)}{2 d^2}-\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {i c^2 (a+b \arctan (c x))}{d^2 (i-c x)}-\frac {3 a c^2 \log (x)}{d^2}-\frac {3 c^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{d^2}-\frac {3 i b c^2 \operatorname {PolyLog}(2,-i c x)}{2 d^2}+\frac {3 i b c^2 \operatorname {PolyLog}(2,i c x)}{2 d^2}-\frac {3 i b c^2 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{2 d^2}-\frac {\left (i b c^2\right ) \text {Subst}\left (\int \frac {1}{x} \, dx,x,x^2\right )}{d^2}-\frac {\left (i b c^3\right ) \int \left (-\frac {i}{2 (-i+c x)^2}+\frac {i}{2 \left (1+c^2 x^2\right )}\right ) \, dx}{d^2}+\frac {\left (i b c^4\right ) \text {Subst}\left (\int \frac {1}{1+c^2 x} \, dx,x,x^2\right )}{d^2} \\ & = -\frac {b c}{2 d^2 x}-\frac {b c^2}{2 d^2 (i-c x)}-\frac {b c^2 \arctan (c x)}{2 d^2}-\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {i c^2 (a+b \arctan (c x))}{d^2 (i-c x)}-\frac {3 a c^2 \log (x)}{d^2}-\frac {2 i b c^2 \log (x)}{d^2}-\frac {3 c^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{d^2}+\frac {i b c^2 \log \left (1+c^2 x^2\right )}{d^2}-\frac {3 i b c^2 \operatorname {PolyLog}(2,-i c x)}{2 d^2}+\frac {3 i b c^2 \operatorname {PolyLog}(2,i c x)}{2 d^2}-\frac {3 i b c^2 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{2 d^2}+\frac {\left (b c^3\right ) \int \frac {1}{1+c^2 x^2} \, dx}{2 d^2} \\ & = -\frac {b c}{2 d^2 x}-\frac {b c^2}{2 d^2 (i-c x)}-\frac {a+b \arctan (c x)}{2 d^2 x^2}+\frac {2 i c (a+b \arctan (c x))}{d^2 x}-\frac {i c^2 (a+b \arctan (c x))}{d^2 (i-c x)}-\frac {3 a c^2 \log (x)}{d^2}-\frac {2 i b c^2 \log (x)}{d^2}-\frac {3 c^2 (a+b \arctan (c x)) \log \left (\frac {2}{1+i c x}\right )}{d^2}+\frac {i b c^2 \log \left (1+c^2 x^2\right )}{d^2}-\frac {3 i b c^2 \operatorname {PolyLog}(2,-i c x)}{2 d^2}+\frac {3 i b c^2 \operatorname {PolyLog}(2,i c x)}{2 d^2}-\frac {3 i b c^2 \operatorname {PolyLog}\left (2,1-\frac {2}{1+i c x}\right )}{2 d^2} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 0.25 (sec) , antiderivative size = 222, normalized size of antiderivative = 0.91 \[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=-\frac {-b c^2 \left (\frac {1}{-i+c x}+\arctan (c x)\right )+\frac {a+b \arctan (c x)}{x^2}-\frac {4 i c (a+b \arctan (c x))}{x}-\frac {2 i c^2 (a+b \arctan (c x))}{-i+c x}+\frac {b c \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-c^2 x^2\right )}{x}+6 a c^2 \log (x)+6 c^2 (a+b \arctan (c x)) \log \left (\frac {2 i}{i-c x}\right )+2 i b c^2 \left (2 \log (x)-\log \left (1+c^2 x^2\right )\right )+3 i b c^2 \operatorname {PolyLog}(2,-i c x)-3 i b c^2 \operatorname {PolyLog}(2,i c x)+3 i b c^2 \operatorname {PolyLog}\left (2,\frac {i+c x}{-i+c x}\right )}{2 d^2} \]
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Time = 1.05 (sec) , antiderivative size = 286, normalized size of antiderivative = 1.17
method | result | size |
derivativedivides | \(c^{2} \left (-\frac {a}{2 d^{2} c^{2} x^{2}}+\frac {2 i a}{d^{2} c x}-\frac {3 a \ln \left (c x \right )}{d^{2}}+\frac {i a}{d^{2} \left (c x -i\right )}+\frac {3 a \ln \left (c^{2} x^{2}+1\right )}{2 d^{2}}+\frac {3 i a \arctan \left (c x \right )}{d^{2}}+\frac {b \left (-\frac {\arctan \left (c x \right )}{2 c^{2} x^{2}}+\frac {2 i \arctan \left (c x \right )}{c x}-3 \arctan \left (c x \right ) \ln \left (c x \right )+\frac {i \arctan \left (c x \right )}{c x -i}+3 \arctan \left (c x \right ) \ln \left (c x -i\right )-\frac {3 i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}+\frac {3 i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}-\frac {3 i \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {3 i \operatorname {dilog}\left (-i c x +1\right )}{2}-\frac {3 i \left (\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )+\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {3 i \ln \left (c x -i\right )^{2}}{4}+i \ln \left (c^{2} x^{2}+1\right )-\frac {1}{2 c x}-2 i \ln \left (c x \right )+\frac {1}{2 c x -2 i}\right )}{d^{2}}\right )\) | \(286\) |
default | \(c^{2} \left (-\frac {a}{2 d^{2} c^{2} x^{2}}+\frac {2 i a}{d^{2} c x}-\frac {3 a \ln \left (c x \right )}{d^{2}}+\frac {i a}{d^{2} \left (c x -i\right )}+\frac {3 a \ln \left (c^{2} x^{2}+1\right )}{2 d^{2}}+\frac {3 i a \arctan \left (c x \right )}{d^{2}}+\frac {b \left (-\frac {\arctan \left (c x \right )}{2 c^{2} x^{2}}+\frac {2 i \arctan \left (c x \right )}{c x}-3 \arctan \left (c x \right ) \ln \left (c x \right )+\frac {i \arctan \left (c x \right )}{c x -i}+3 \arctan \left (c x \right ) \ln \left (c x -i\right )-\frac {3 i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}+\frac {3 i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}-\frac {3 i \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {3 i \operatorname {dilog}\left (-i c x +1\right )}{2}-\frac {3 i \left (\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )+\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {3 i \ln \left (c x -i\right )^{2}}{4}+i \ln \left (c^{2} x^{2}+1\right )-\frac {1}{2 c x}-2 i \ln \left (c x \right )+\frac {1}{2 c x -2 i}\right )}{d^{2}}\right )\) | \(286\) |
parts | \(-\frac {a}{2 d^{2} x^{2}}+\frac {2 i a c}{x \,d^{2}}-\frac {3 a \,c^{2} \ln \left (x \right )}{d^{2}}-\frac {i a \,c^{2}}{d^{2} \left (-c x +i\right )}+\frac {3 c^{2} a \ln \left (c^{2} x^{2}+1\right )}{2 d^{2}}+\frac {3 i c^{2} a \arctan \left (c x \right )}{d^{2}}+\frac {b \,c^{2} \left (-\frac {\arctan \left (c x \right )}{2 c^{2} x^{2}}+\frac {2 i \arctan \left (c x \right )}{c x}-3 \arctan \left (c x \right ) \ln \left (c x \right )+\frac {i \arctan \left (c x \right )}{c x -i}+3 \arctan \left (c x \right ) \ln \left (c x -i\right )-\frac {3 i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}+\frac {3 i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}-\frac {3 i \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {3 i \operatorname {dilog}\left (-i c x +1\right )}{2}-\frac {3 i \left (\operatorname {dilog}\left (-\frac {i \left (c x +i\right )}{2}\right )+\ln \left (c x -i\right ) \ln \left (-\frac {i \left (c x +i\right )}{2}\right )\right )}{2}+\frac {3 i \ln \left (c x -i\right )^{2}}{4}+i \ln \left (c^{2} x^{2}+1\right )-\frac {1}{2 c x}-2 i \ln \left (c x \right )+\frac {1}{2 c x -2 i}\right )}{d^{2}}\) | \(291\) |
risch | \(-\frac {a}{2 d^{2} x^{2}}+\frac {b \,c^{2} \arctan \left (c x \right )}{4 d^{2}}-\frac {b c}{2 d^{2} x}+\frac {c^{3} b \ln \left (-i c x +1\right ) x}{4 d^{2} \left (-i c x -1\right )}+\frac {i c^{2} b \ln \left (-i c x +1\right )}{4 d^{2} \left (-i c x -1\right )}+\frac {3 i c^{2} b \ln \left (\frac {1}{2}+\frac {i c x}{2}\right ) \ln \left (-i c x +1\right )}{2 d^{2}}-\frac {3 i c^{2} b \ln \left (\frac {1}{2}+\frac {i c x}{2}\right ) \ln \left (\frac {1}{2}-\frac {i c x}{2}\right )}{2 d^{2}}+\frac {i b \,c^{2} \ln \left (i c x +1\right )}{2 d^{2} \left (i c x +1\right )}-\frac {3 c^{2} a \ln \left (-i c x \right )}{d^{2}}+\frac {c^{2} a}{d^{2} \left (-i c x -1\right )}+\frac {3 c^{2} a \ln \left (c^{2} x^{2}+1\right )}{2 d^{2}}+\frac {b c \ln \left (i c x +1\right )}{d^{2} x}-\frac {3 i b \,c^{2} \ln \left (i c x +1\right )^{2}}{4 d^{2}}-\frac {3 i b \,c^{2} \operatorname {dilog}\left (i c x +1\right )}{2 d^{2}}-\frac {5 i b \,c^{2} \ln \left (i c x \right )}{4 d^{2}}+\frac {5 i b \,c^{2} \ln \left (i c x +1\right )}{4 d^{2}}+\frac {i b \ln \left (i c x +1\right )}{4 d^{2} x^{2}}+\frac {i b \,c^{2}}{2 d^{2} \left (i c x +1\right )}-\frac {c b \ln \left (-i c x +1\right )}{d^{2} x}-\frac {3 i c^{2} b \operatorname {dilog}\left (\frac {1}{2}-\frac {i c x}{2}\right )}{2 d^{2}}-\frac {i b \,c^{2} \ln \left (c^{2} x^{2}+1\right )}{8 d^{2}}+\frac {3 i c^{2} b \operatorname {dilog}\left (-i c x +1\right )}{2 d^{2}}-\frac {3 i c^{2} b \ln \left (-i c x \right )}{4 d^{2}}+\frac {3 i c^{2} \ln \left (-i c x +1\right ) b}{4 d^{2}}-\frac {i b \ln \left (-i c x +1\right )}{4 d^{2} x^{2}}+\frac {2 i a c}{x \,d^{2}}+\frac {3 i c^{2} a \arctan \left (c x \right )}{d^{2}}\) | \(495\) |
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Time = 0.26 (sec) , antiderivative size = 221, normalized size of antiderivative = 0.91 \[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=\frac {12 i \, a c^{2} x^{2} + 2 \, {\left (3 \, a + i \, b\right )} c x - 6 \, {\left (-i \, b c^{3} x^{3} - b c^{2} x^{2}\right )} {\rm Li}_2\left (\frac {c x + i}{c x - i} + 1\right ) - 4 \, {\left ({\left (3 \, a + 2 i \, b\right )} c^{3} x^{3} + {\left (-3 i \, a + 2 \, b\right )} c^{2} x^{2}\right )} \log \left (x\right ) - {\left (6 \, b c^{2} x^{2} - 3 i \, b c x + b\right )} \log \left (-\frac {c x + i}{c x - i}\right ) - 4 \, {\left (-i \, b c^{3} x^{3} - b c^{2} x^{2}\right )} \log \left (\frac {c x + i}{c}\right ) + 4 \, {\left ({\left (3 \, a + i \, b\right )} c^{3} x^{3} - {\left (3 i \, a - b\right )} c^{2} x^{2}\right )} \log \left (\frac {c x - i}{c}\right ) + 2 i \, a}{4 \, {\left (c d^{2} x^{3} - i \, d^{2} x^{2}\right )}} \]
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\[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=- \frac {\int \frac {a}{c^{2} x^{5} - 2 i c x^{4} - x^{3}}\, dx + \int \frac {b \operatorname {atan}{\left (c x \right )}}{c^{2} x^{5} - 2 i c x^{4} - x^{3}}\, dx}{d^{2}} \]
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\[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=\int { \frac {b \arctan \left (c x\right ) + a}{{\left (i \, c d x + d\right )}^{2} x^{3}} \,d x } \]
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\[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=\int { \frac {b \arctan \left (c x\right ) + a}{{\left (i \, c d x + d\right )}^{2} x^{3}} \,d x } \]
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Timed out. \[ \int \frac {a+b \arctan (c x)}{x^3 (d+i c d x)^2} \, dx=\int \frac {a+b\,\mathrm {atan}\left (c\,x\right )}{x^3\,{\left (d+c\,d\,x\,1{}\mathrm {i}\right )}^2} \,d x \]
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