Integrand size = 23, antiderivative size = 227 \[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=-\frac {b c d^4}{12 x^3}-\frac {2 i b c^2 d^4}{3 x^2}+\frac {13 b c^3 d^4}{4 x}+\frac {13}{4} b c^4 d^4 \arctan (c x)-\frac {d^4 (a+b \arctan (c x))}{4 x^4}-\frac {4 i c d^4 (a+b \arctan (c x))}{3 x^3}+\frac {3 c^2 d^4 (a+b \arctan (c x))}{x^2}+\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x}+a c^4 d^4 \log (x)-\frac {16}{3} i b c^4 d^4 \log (x)+\frac {8}{3} i b c^4 d^4 \log \left (1+c^2 x^2\right )+\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,-i c x)-\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,i c x) \]
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Time = 0.17 (sec) , antiderivative size = 227, normalized size of antiderivative = 1.00, number of steps used = 21, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.478, Rules used = {4996, 4946, 331, 209, 272, 46, 36, 29, 31, 4940, 2438} \[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x}+\frac {3 c^2 d^4 (a+b \arctan (c x))}{x^2}-\frac {d^4 (a+b \arctan (c x))}{4 x^4}-\frac {4 i c d^4 (a+b \arctan (c x))}{3 x^3}+a c^4 d^4 \log (x)+\frac {13}{4} b c^4 d^4 \arctan (c x)+\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,-i c x)-\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,i c x)-\frac {16}{3} i b c^4 d^4 \log (x)+\frac {13 b c^3 d^4}{4 x}-\frac {2 i b c^2 d^4}{3 x^2}+\frac {8}{3} i b c^4 d^4 \log \left (c^2 x^2+1\right )-\frac {b c d^4}{12 x^3} \]
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Rule 29
Rule 31
Rule 36
Rule 46
Rule 209
Rule 272
Rule 331
Rule 2438
Rule 4940
Rule 4946
Rule 4996
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {d^4 (a+b \arctan (c x))}{x^5}+\frac {4 i c d^4 (a+b \arctan (c x))}{x^4}-\frac {6 c^2 d^4 (a+b \arctan (c x))}{x^3}-\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x^2}+\frac {c^4 d^4 (a+b \arctan (c x))}{x}\right ) \, dx \\ & = d^4 \int \frac {a+b \arctan (c x)}{x^5} \, dx+\left (4 i c d^4\right ) \int \frac {a+b \arctan (c x)}{x^4} \, dx-\left (6 c^2 d^4\right ) \int \frac {a+b \arctan (c x)}{x^3} \, dx-\left (4 i c^3 d^4\right ) \int \frac {a+b \arctan (c x)}{x^2} \, dx+\left (c^4 d^4\right ) \int \frac {a+b \arctan (c x)}{x} \, dx \\ & = -\frac {d^4 (a+b \arctan (c x))}{4 x^4}-\frac {4 i c d^4 (a+b \arctan (c x))}{3 x^3}+\frac {3 c^2 d^4 (a+b \arctan (c x))}{x^2}+\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x}+a c^4 d^4 \log (x)+\frac {1}{4} \left (b c d^4\right ) \int \frac {1}{x^4 \left (1+c^2 x^2\right )} \, dx+\frac {1}{3} \left (4 i b c^2 d^4\right ) \int \frac {1}{x^3 \left (1+c^2 x^2\right )} \, dx-\left (3 b c^3 d^4\right ) \int \frac {1}{x^2 \left (1+c^2 x^2\right )} \, dx+\frac {1}{2} \left (i b c^4 d^4\right ) \int \frac {\log (1-i c x)}{x} \, dx-\frac {1}{2} \left (i b c^4 d^4\right ) \int \frac {\log (1+i c x)}{x} \, dx-\left (4 i b c^4 d^4\right ) \int \frac {1}{x \left (1+c^2 x^2\right )} \, dx \\ & = -\frac {b c d^4}{12 x^3}+\frac {3 b c^3 d^4}{x}-\frac {d^4 (a+b \arctan (c x))}{4 x^4}-\frac {4 i c d^4 (a+b \arctan (c x))}{3 x^3}+\frac {3 c^2 d^4 (a+b \arctan (c x))}{x^2}+\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x}+a c^4 d^4 \log (x)+\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,-i c x)-\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,i c x)+\frac {1}{3} \left (2 i b c^2 d^4\right ) \text {Subst}\left (\int \frac {1}{x^2 \left (1+c^2 x\right )} \, dx,x,x^2\right )-\frac {1}{4} \left (b c^3 d^4\right ) \int \frac {1}{x^2 \left (1+c^2 x^2\right )} \, dx-\left (2 i b c^4 d^4\right ) \text {Subst}\left (\int \frac {1}{x \left (1+c^2 x\right )} \, dx,x,x^2\right )+\left (3 b c^5 d^4\right ) \int \frac {1}{1+c^2 x^2} \, dx \\ & = -\frac {b c d^4}{12 x^3}+\frac {13 b c^3 d^4}{4 x}+3 b c^4 d^4 \arctan (c x)-\frac {d^4 (a+b \arctan (c x))}{4 x^4}-\frac {4 i c d^4 (a+b \arctan (c x))}{3 x^3}+\frac {3 c^2 d^4 (a+b \arctan (c x))}{x^2}+\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x}+a c^4 d^4 \log (x)+\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,-i c x)-\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,i c x)+\frac {1}{3} \left (2 i b c^2 d^4\right ) \text {Subst}\left (\int \left (\frac {1}{x^2}-\frac {c^2}{x}+\frac {c^4}{1+c^2 x}\right ) \, dx,x,x^2\right )-\left (2 i b c^4 d^4\right ) \text {Subst}\left (\int \frac {1}{x} \, dx,x,x^2\right )+\frac {1}{4} \left (b c^5 d^4\right ) \int \frac {1}{1+c^2 x^2} \, dx+\left (2 i b c^6 d^4\right ) \text {Subst}\left (\int \frac {1}{1+c^2 x} \, dx,x,x^2\right ) \\ & = -\frac {b c d^4}{12 x^3}-\frac {2 i b c^2 d^4}{3 x^2}+\frac {13 b c^3 d^4}{4 x}+\frac {13}{4} b c^4 d^4 \arctan (c x)-\frac {d^4 (a+b \arctan (c x))}{4 x^4}-\frac {4 i c d^4 (a+b \arctan (c x))}{3 x^3}+\frac {3 c^2 d^4 (a+b \arctan (c x))}{x^2}+\frac {4 i c^3 d^4 (a+b \arctan (c x))}{x}+a c^4 d^4 \log (x)-\frac {16}{3} i b c^4 d^4 \log (x)+\frac {8}{3} i b c^4 d^4 \log \left (1+c^2 x^2\right )+\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,-i c x)-\frac {1}{2} i b c^4 d^4 \operatorname {PolyLog}(2,i c x) \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 0.09 (sec) , antiderivative size = 227, normalized size of antiderivative = 1.00 \[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\frac {d^4 \left (-3 a-16 i a c x+36 a c^2 x^2-8 i b c^2 x^2+48 i a c^3 x^3-3 b \arctan (c x)-16 i b c x \arctan (c x)+36 b c^2 x^2 \arctan (c x)+48 i b c^3 x^3 \arctan (c x)-b c x \operatorname {Hypergeometric2F1}\left (-\frac {3}{2},1,-\frac {1}{2},-c^2 x^2\right )+36 b c^3 x^3 \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},-c^2 x^2\right )+12 a c^4 x^4 \log (x)-64 i b c^4 x^4 \log (x)+32 i b c^4 x^4 \log \left (1+c^2 x^2\right )+6 i b c^4 x^4 \operatorname {PolyLog}(2,-i c x)-6 i b c^4 x^4 \operatorname {PolyLog}(2,i c x)\right )}{12 x^4} \]
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Time = 1.90 (sec) , antiderivative size = 214, normalized size of antiderivative = 0.94
method | result | size |
parts | \(d^{4} a \left (\frac {3 c^{2}}{x^{2}}+c^{4} \ln \left (x \right )-\frac {1}{4 x^{4}}+\frac {4 i c^{3}}{x}-\frac {4 i c}{3 x^{3}}\right )+d^{4} b \,c^{4} \left (-\frac {\arctan \left (c x \right )}{4 c^{4} x^{4}}-\frac {4 i \arctan \left (c x \right )}{3 c^{3} x^{3}}+\arctan \left (c x \right ) \ln \left (c x \right )+\frac {4 i \arctan \left (c x \right )}{c x}+\frac {3 \arctan \left (c x \right )}{c^{2} x^{2}}-\frac {2 i}{3 c^{2} x^{2}}-\frac {16 i \ln \left (c x \right )}{3}-\frac {1}{12 c^{3} x^{3}}+\frac {13}{4 c x}+\frac {8 i \ln \left (c^{2} x^{2}+1\right )}{3}+\frac {13 \arctan \left (c x \right )}{4}+\frac {i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}-\frac {i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}+\frac {i \operatorname {dilog}\left (i c x +1\right )}{2}-\frac {i \operatorname {dilog}\left (-i c x +1\right )}{2}\right )\) | \(214\) |
derivativedivides | \(c^{4} \left (d^{4} a \left (-\frac {1}{4 c^{4} x^{4}}-\frac {4 i}{3 c^{3} x^{3}}+\ln \left (c x \right )+\frac {4 i}{c x}+\frac {3}{c^{2} x^{2}}\right )+d^{4} b \left (-\frac {\arctan \left (c x \right )}{4 c^{4} x^{4}}-\frac {4 i \arctan \left (c x \right )}{3 c^{3} x^{3}}+\arctan \left (c x \right ) \ln \left (c x \right )+\frac {4 i \arctan \left (c x \right )}{c x}+\frac {3 \arctan \left (c x \right )}{c^{2} x^{2}}-\frac {2 i}{3 c^{2} x^{2}}-\frac {16 i \ln \left (c x \right )}{3}-\frac {1}{12 c^{3} x^{3}}+\frac {13}{4 c x}+\frac {8 i \ln \left (c^{2} x^{2}+1\right )}{3}+\frac {13 \arctan \left (c x \right )}{4}+\frac {i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}-\frac {i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}+\frac {i \operatorname {dilog}\left (i c x +1\right )}{2}-\frac {i \operatorname {dilog}\left (-i c x +1\right )}{2}\right )\right )\) | \(218\) |
default | \(c^{4} \left (d^{4} a \left (-\frac {1}{4 c^{4} x^{4}}-\frac {4 i}{3 c^{3} x^{3}}+\ln \left (c x \right )+\frac {4 i}{c x}+\frac {3}{c^{2} x^{2}}\right )+d^{4} b \left (-\frac {\arctan \left (c x \right )}{4 c^{4} x^{4}}-\frac {4 i \arctan \left (c x \right )}{3 c^{3} x^{3}}+\arctan \left (c x \right ) \ln \left (c x \right )+\frac {4 i \arctan \left (c x \right )}{c x}+\frac {3 \arctan \left (c x \right )}{c^{2} x^{2}}-\frac {2 i}{3 c^{2} x^{2}}-\frac {16 i \ln \left (c x \right )}{3}-\frac {1}{12 c^{3} x^{3}}+\frac {13}{4 c x}+\frac {8 i \ln \left (c^{2} x^{2}+1\right )}{3}+\frac {13 \arctan \left (c x \right )}{4}+\frac {i \ln \left (c x \right ) \ln \left (i c x +1\right )}{2}-\frac {i \ln \left (c x \right ) \ln \left (-i c x +1\right )}{2}+\frac {i \operatorname {dilog}\left (i c x +1\right )}{2}-\frac {i \operatorname {dilog}\left (-i c x +1\right )}{2}\right )\right )\) | \(218\) |
risch | \(-\frac {b c \,d^{4}}{12 x^{3}}+\frac {13 b \,c^{3} d^{4}}{4 x}-\frac {25 i b \,d^{4} c^{4} \ln \left (i c x \right )}{24}-\frac {3 i b \,d^{4} c^{2} \ln \left (i c x +1\right )}{2 x^{2}}+\frac {8 i b \,c^{4} d^{4} \ln \left (c^{2} x^{2}+1\right )}{3}+\frac {3 i c^{2} d^{4} b \ln \left (-i c x +1\right )}{2 x^{2}}+\frac {i b \,d^{4} c^{4} \operatorname {dilog}\left (i c x +1\right )}{2}+\frac {13 b \,c^{4} d^{4} \arctan \left (c x \right )}{4}+\frac {i b \,d^{4} \ln \left (i c x +1\right )}{8 x^{4}}-\frac {103 i c^{4} d^{4} b \ln \left (-i c x \right )}{24}+\frac {4 i c^{3} d^{4} a}{x}-\frac {i d^{4} b \ln \left (-i c x +1\right )}{8 x^{4}}-\frac {i c^{4} d^{4} b \operatorname {dilog}\left (-i c x +1\right )}{2}-\frac {4 i c \,d^{4} a}{3 x^{3}}+\frac {2 b \,d^{4} c^{3} \ln \left (i c x +1\right )}{x}-\frac {2 b \,d^{4} c \ln \left (i c x +1\right )}{3 x^{3}}+\frac {2 c \,d^{4} b \ln \left (-i c x +1\right )}{3 x^{3}}-\frac {2 c^{3} d^{4} b \ln \left (-i c x +1\right )}{x}+c^{4} d^{4} a \ln \left (-i c x \right )+\frac {3 c^{2} d^{4} a}{x^{2}}-\frac {2 i b \,c^{2} d^{4}}{3 x^{2}}-\frac {d^{4} a}{4 x^{4}}\) | \(351\) |
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\[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\int { \frac {{\left (i \, c d x + d\right )}^{4} {\left (b \arctan \left (c x\right ) + a\right )}}{x^{5}} \,d x } \]
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Timed out. \[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\text {Timed out} \]
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\[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\int { \frac {{\left (i \, c d x + d\right )}^{4} {\left (b \arctan \left (c x\right ) + a\right )}}{x^{5}} \,d x } \]
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\[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\int { \frac {{\left (i \, c d x + d\right )}^{4} {\left (b \arctan \left (c x\right ) + a\right )}}{x^{5}} \,d x } \]
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Time = 1.01 (sec) , antiderivative size = 298, normalized size of antiderivative = 1.31 \[ \int \frac {(d+i c d x)^4 (a+b \arctan (c x))}{x^5} \, dx=\left \{\begin {array}{cl} -\frac {a\,d^4}{4\,x^4} & \text {\ if\ \ }c=0\\ 3\,b\,c\,d^4\,\left (c^3\,\mathrm {atan}\left (c\,x\right )+\frac {c^2}{x}\right )-\frac {b\,d^4\,\left (\frac {\frac {c^2}{3}-c^4\,x^2}{x^3}-c^5\,\mathrm {atan}\left (c\,x\right )\right )}{4\,c}-\frac {b\,c^4\,d^4\,{\mathrm {Li}}_{\mathrm {2}}\left (1-c\,x\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{2}+\frac {b\,c^4\,d^4\,{\mathrm {Li}}_{\mathrm {2}}\left (1+c\,x\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{2}-b\,c^2\,d^4\,\left (c^2\,\ln \left (x\right )-\frac {c^2\,\ln \left (c^2\,x^2+1\right )}{2}\right )\,4{}\mathrm {i}+\frac {a\,d^4\,\left (36\,c^2\,x^2+12\,c^4\,x^4\,\ln \left (x\right )-3-c\,x\,16{}\mathrm {i}+c^3\,x^3\,48{}\mathrm {i}\right )}{12\,x^4}-\frac {b\,d^4\,\mathrm {atan}\left (c\,x\right )}{4\,x^4}-\frac {b\,d^4\,\left (c^4\,\ln \left (x\right )-\frac {c^4\,\ln \left (-\frac {c^4\,\left (3\,c^2\,x^2+1\right )}{2}-c^4\right )}{2}+\frac {c^2}{2\,x^2}\right )\,4{}\mathrm {i}}{3}-\frac {b\,c\,d^4\,\mathrm {atan}\left (c\,x\right )\,4{}\mathrm {i}}{3\,x^3}+\frac {3\,b\,c^2\,d^4\,\mathrm {atan}\left (c\,x\right )}{x^2}+\frac {b\,c^3\,d^4\,\mathrm {atan}\left (c\,x\right )\,4{}\mathrm {i}}{x} & \text {\ if\ \ }c\neq 0 \end {array}\right . \]
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