Optimal. Leaf size=225 \[ \frac{3 i b \text{PolyLog}\left (2,1-\frac{2}{1+i c x}\right )}{2 c^4 d^3}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (-c x+i)}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (-c x+i)^2}+\frac{3 \log \left (\frac{2}{1+i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3}+\frac{i a x}{c^3 d^3}-\frac{i b \log \left (c^2 x^2+1\right )}{2 c^4 d^3}-\frac{11 b}{8 c^4 d^3 (-c x+i)}+\frac{i b}{8 c^4 d^3 (-c x+i)^2}+\frac{i b x \tan ^{-1}(c x)}{c^3 d^3}+\frac{11 b \tan ^{-1}(c x)}{8 c^4 d^3} \]
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Rubi [A] time = 0.24278, antiderivative size = 225, normalized size of antiderivative = 1., number of steps used = 18, number of rules used = 10, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.435, Rules used = {4876, 4846, 260, 4862, 627, 44, 203, 4854, 2402, 2315} \[ \frac{3 i b \text{PolyLog}\left (2,1-\frac{2}{1+i c x}\right )}{2 c^4 d^3}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (-c x+i)}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (-c x+i)^2}+\frac{3 \log \left (\frac{2}{1+i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3}+\frac{i a x}{c^3 d^3}-\frac{i b \log \left (c^2 x^2+1\right )}{2 c^4 d^3}-\frac{11 b}{8 c^4 d^3 (-c x+i)}+\frac{i b}{8 c^4 d^3 (-c x+i)^2}+\frac{i b x \tan ^{-1}(c x)}{c^3 d^3}+\frac{11 b \tan ^{-1}(c x)}{8 c^4 d^3} \]
Antiderivative was successfully verified.
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Rule 4876
Rule 4846
Rule 260
Rule 4862
Rule 627
Rule 44
Rule 203
Rule 4854
Rule 2402
Rule 2315
Rubi steps
\begin{align*} \int \frac{x^3 \left (a+b \tan ^{-1}(c x)\right )}{(d+i c d x)^3} \, dx &=\int \left (\frac{i \left (a+b \tan ^{-1}(c x)\right )}{c^3 d^3}+\frac{a+b \tan ^{-1}(c x)}{c^3 d^3 (-i+c x)^3}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^3 d^3 (-i+c x)^2}-\frac{3 \left (a+b \tan ^{-1}(c x)\right )}{c^3 d^3 (-i+c x)}\right ) \, dx\\ &=\frac{i \int \left (a+b \tan ^{-1}(c x)\right ) \, dx}{c^3 d^3}-\frac{(3 i) \int \frac{a+b \tan ^{-1}(c x)}{(-i+c x)^2} \, dx}{c^3 d^3}+\frac{\int \frac{a+b \tan ^{-1}(c x)}{(-i+c x)^3} \, dx}{c^3 d^3}-\frac{3 \int \frac{a+b \tan ^{-1}(c x)}{-i+c x} \, dx}{c^3 d^3}\\ &=\frac{i a x}{c^3 d^3}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (i-c x)^2}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (i-c x)}+\frac{3 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c^4 d^3}+\frac{(i b) \int \tan ^{-1}(c x) \, dx}{c^3 d^3}-\frac{(3 i b) \int \frac{1}{(-i+c x) \left (1+c^2 x^2\right )} \, dx}{c^3 d^3}+\frac{b \int \frac{1}{(-i+c x)^2 \left (1+c^2 x^2\right )} \, dx}{2 c^3 d^3}-\frac{(3 b) \int \frac{\log \left (\frac{2}{1+i c x}\right )}{1+c^2 x^2} \, dx}{c^3 d^3}\\ &=\frac{i a x}{c^3 d^3}+\frac{i b x \tan ^{-1}(c x)}{c^3 d^3}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (i-c x)^2}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (i-c x)}+\frac{3 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c^4 d^3}+\frac{(3 i b) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i c x}\right )}{c^4 d^3}-\frac{(3 i b) \int \frac{1}{(-i+c x)^2 (i+c x)} \, dx}{c^3 d^3}+\frac{b \int \frac{1}{(-i+c x)^3 (i+c x)} \, dx}{2 c^3 d^3}-\frac{(i b) \int \frac{x}{1+c^2 x^2} \, dx}{c^2 d^3}\\ &=\frac{i a x}{c^3 d^3}+\frac{i b x \tan ^{-1}(c x)}{c^3 d^3}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (i-c x)^2}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (i-c x)}+\frac{3 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c^4 d^3}-\frac{i b \log \left (1+c^2 x^2\right )}{2 c^4 d^3}+\frac{3 i b \text{Li}_2\left (1-\frac{2}{1+i c x}\right )}{2 c^4 d^3}-\frac{(3 i b) \int \left (-\frac{i}{2 (-i+c x)^2}+\frac{i}{2 \left (1+c^2 x^2\right )}\right ) \, dx}{c^3 d^3}+\frac{b \int \left (-\frac{i}{2 (-i+c x)^3}+\frac{1}{4 (-i+c x)^2}-\frac{1}{4 \left (1+c^2 x^2\right )}\right ) \, dx}{2 c^3 d^3}\\ &=\frac{i a x}{c^3 d^3}+\frac{i b}{8 c^4 d^3 (i-c x)^2}-\frac{11 b}{8 c^4 d^3 (i-c x)}+\frac{i b x \tan ^{-1}(c x)}{c^3 d^3}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (i-c x)^2}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (i-c x)}+\frac{3 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c^4 d^3}-\frac{i b \log \left (1+c^2 x^2\right )}{2 c^4 d^3}+\frac{3 i b \text{Li}_2\left (1-\frac{2}{1+i c x}\right )}{2 c^4 d^3}-\frac{b \int \frac{1}{1+c^2 x^2} \, dx}{8 c^3 d^3}+\frac{(3 b) \int \frac{1}{1+c^2 x^2} \, dx}{2 c^3 d^3}\\ &=\frac{i a x}{c^3 d^3}+\frac{i b}{8 c^4 d^3 (i-c x)^2}-\frac{11 b}{8 c^4 d^3 (i-c x)}+\frac{11 b \tan ^{-1}(c x)}{8 c^4 d^3}+\frac{i b x \tan ^{-1}(c x)}{c^3 d^3}-\frac{a+b \tan ^{-1}(c x)}{2 c^4 d^3 (i-c x)^2}-\frac{3 i \left (a+b \tan ^{-1}(c x)\right )}{c^4 d^3 (i-c x)}+\frac{3 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1+i c x}\right )}{c^4 d^3}-\frac{i b \log \left (1+c^2 x^2\right )}{2 c^4 d^3}+\frac{3 i b \text{Li}_2\left (1-\frac{2}{1+i c x}\right )}{2 c^4 d^3}\\ \end{align*}
Mathematica [A] time = 0.788684, size = 216, normalized size = 0.96 \[ \frac{i b \left (-48 \text{PolyLog}\left (2,-e^{2 i \tan ^{-1}(c x)}\right )-16 \log \left (c^2 x^2+1\right )-96 \tan ^{-1}(c x)^2-20 i \sin \left (2 \tan ^{-1}(c x)\right )+i \sin \left (4 \tan ^{-1}(c x)\right )+20 \cos \left (2 \tan ^{-1}(c x)\right )-\cos \left (4 \tan ^{-1}(c x)\right )+4 \tan ^{-1}(c x) \left (8 c x-24 i \log \left (1+e^{2 i \tan ^{-1}(c x)}\right )+10 \sin \left (2 \tan ^{-1}(c x)\right )-\sin \left (4 \tan ^{-1}(c x)\right )+10 i \cos \left (2 \tan ^{-1}(c x)\right )-i \cos \left (4 \tan ^{-1}(c x)\right )\right )\right )-48 a \log \left (c^2 x^2+1\right )+32 i a c x+\frac{96 i a}{c x-i}-\frac{16 a}{(c x-i)^2}-96 i a \tan ^{-1}(c x)}{32 c^4 d^3} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.056, size = 375, normalized size = 1.7 \begin{align*}{\frac{iax}{{c}^{3}{d}^{3}}}-{\frac{3\,a\ln \left ({c}^{2}{x}^{2}+1 \right ) }{2\,{c}^{4}{d}^{3}}}+{\frac{3\,ib\arctan \left ( cx \right ) }{{c}^{4}{d}^{3} \left ( cx-i \right ) }}-{\frac{a}{2\,{c}^{4}{d}^{3} \left ( cx-i \right ) ^{2}}}+{\frac{{\frac{3\,i}{2}}b\ln \left ( -{\frac{i}{2}} \left ( cx+i \right ) \right ) \ln \left ( cx-i \right ) }{{c}^{4}{d}^{3}}}-{\frac{{\frac{19\,i}{32}}b\ln \left ({c}^{2}{x}^{2}+1 \right ) }{{c}^{4}{d}^{3}}}-3\,{\frac{b\arctan \left ( cx \right ) \ln \left ( cx-i \right ) }{{c}^{4}{d}^{3}}}-{\frac{b\arctan \left ( cx \right ) }{2\,{c}^{4}{d}^{3} \left ( cx-i \right ) ^{2}}}+{\frac{{\frac{i}{8}}b}{{c}^{4}{d}^{3} \left ( cx-i \right ) ^{2}}}+{\frac{{\frac{3\,i}{64}}b\ln \left ({c}^{4}{x}^{4}+10\,{c}^{2}{x}^{2}+9 \right ) }{{c}^{4}{d}^{3}}}+{\frac{3\,b}{32\,{c}^{4}{d}^{3}}\arctan \left ({\frac{{c}^{3}{x}^{3}}{6}}+{\frac{7\,cx}{6}} \right ) }-{\frac{3\,b}{32\,{c}^{4}{d}^{3}}\arctan \left ({\frac{cx}{2}} \right ) }+{\frac{3\,b}{16\,{c}^{4}{d}^{3}}\arctan \left ({\frac{cx}{2}}-{\frac{i}{2}} \right ) }+{\frac{3\,ia}{{c}^{4}{d}^{3} \left ( cx-i \right ) }}+{\frac{ibx\arctan \left ( cx \right ) }{{c}^{3}{d}^{3}}}+{\frac{19\,b\arctan \left ( cx \right ) }{16\,{c}^{4}{d}^{3}}}+{\frac{11\,b}{8\,{c}^{4}{d}^{3} \left ( cx-i \right ) }}+{\frac{{\frac{3\,i}{2}}b{\it dilog} \left ( -{\frac{i}{2}} \left ( cx+i \right ) \right ) }{{c}^{4}{d}^{3}}}-{\frac{{\frac{3\,i}{4}}b \left ( \ln \left ( cx-i \right ) \right ) ^{2}}{{c}^{4}{d}^{3}}}-{\frac{3\,ia\arctan \left ( cx \right ) }{{c}^{4}{d}^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.27976, size = 441, normalized size = 1.96 \begin{align*} -\frac{-16 i \, a c^{3} x^{3} - 32 \, a c^{2} x^{2} +{\left (-32 i \, a - 22 \, b\right )} c x +{\left (12 i \, b c^{2} x^{2} + 24 \, b c x - 12 i \, b\right )} \arctan \left (c x\right )^{2} +{\left (3 i \, b c^{2} x^{2} + 6 \, b c x - 3 i \, b\right )} \log \left (c^{2} x^{2} + 1\right )^{2} + 12 \,{\left (b c^{2} x^{2} - 2 i \, b c x - b\right )} \arctan \left (c x\right ) \log \left (\frac{1}{4} \, c^{2} x^{2} + \frac{1}{4}\right ) +{\left (-16 i \, b c^{3} x^{3} +{\left (48 i \, a - 51 \, b\right )} c^{2} x^{2} + 6 \,{\left (16 \, a + i \, b\right )} c x - 48 i \, a - 21 \, b\right )} \arctan \left (c x\right ) + 3 \,{\left (b c^{2} x^{2} - 2 i \, b c x - b\right )} \arctan \left (c x, -1\right ) +{\left (-24 i \, b c^{2} x^{2} - 48 \, b c x + 24 i \, b\right )}{\rm Li}_2\left (\frac{1}{2} i \, c x + \frac{1}{2}\right ) +{\left (8 \,{\left (3 \, a + i \, b\right )} c^{2} x^{2} +{\left (-48 i \, a + 16 \, b\right )} c x +{\left (-6 i \, b c^{2} x^{2} - 12 \, b c x + 6 i \, b\right )} \log \left (\frac{1}{4} \, c^{2} x^{2} + \frac{1}{4}\right ) - 24 \, a - 8 i \, b\right )} \log \left (c^{2} x^{2} + 1\right ) - 40 \, a + 20 i \, b}{16 \, c^{6} d^{3} x^{2} - 32 i \, c^{5} d^{3} x - 16 \, c^{4} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (-\frac{b x^{3} \log \left (-\frac{c x + i}{c x - i}\right ) - 2 i \, a x^{3}}{2 \, c^{3} d^{3} x^{3} - 6 i \, c^{2} d^{3} x^{2} - 6 \, c d^{3} x + 2 i \, d^{3}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: AttributeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (b \arctan \left (c x\right ) + a\right )} x^{3}}{{\left (i \, c d x + d\right )}^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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