Optimal. Leaf size=192 \[ -\frac{4 i b^2 d^2 \text{PolyLog}\left (2,1-\frac{2}{1-i c x}\right )}{3 c}+\frac{1}{3} b c d^2 x^2 \left (a+b \tan ^{-1}(c x)\right )-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{8 b d^2 \log \left (\frac{2}{1-i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{3 c}-2 i a b d^2 x+\frac{i b^2 d^2 \log \left (c^2 x^2+1\right )}{c}+\frac{b^2 d^2 \tan ^{-1}(c x)}{3 c}-2 i b^2 d^2 x \tan ^{-1}(c x)-\frac{1}{3} b^2 d^2 x \]
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Rubi [A] time = 0.196765, antiderivative size = 192, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 10, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.454, Rules used = {4864, 4846, 260, 4852, 321, 203, 1586, 4854, 2402, 2315} \[ -\frac{4 i b^2 d^2 \text{PolyLog}\left (2,1-\frac{2}{1-i c x}\right )}{3 c}+\frac{1}{3} b c d^2 x^2 \left (a+b \tan ^{-1}(c x)\right )-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{8 b d^2 \log \left (\frac{2}{1-i c x}\right ) \left (a+b \tan ^{-1}(c x)\right )}{3 c}-2 i a b d^2 x+\frac{i b^2 d^2 \log \left (c^2 x^2+1\right )}{c}+\frac{b^2 d^2 \tan ^{-1}(c x)}{3 c}-2 i b^2 d^2 x \tan ^{-1}(c x)-\frac{1}{3} b^2 d^2 x \]
Antiderivative was successfully verified.
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Rule 4864
Rule 4846
Rule 260
Rule 4852
Rule 321
Rule 203
Rule 1586
Rule 4854
Rule 2402
Rule 2315
Rubi steps
\begin{align*} \int (d+i c d x)^2 \left (a+b \tan ^{-1}(c x)\right )^2 \, dx &=-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{(2 i b) \int \left (-3 d^3 \left (a+b \tan ^{-1}(c x)\right )-i c d^3 x \left (a+b \tan ^{-1}(c x)\right )-\frac{4 i \left (i d^3-c d^3 x\right ) \left (a+b \tan ^{-1}(c x)\right )}{1+c^2 x^2}\right ) \, dx}{3 d}\\ &=-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{(8 b) \int \frac{\left (i d^3-c d^3 x\right ) \left (a+b \tan ^{-1}(c x)\right )}{1+c^2 x^2} \, dx}{3 d}-\left (2 i b d^2\right ) \int \left (a+b \tan ^{-1}(c x)\right ) \, dx+\frac{1}{3} \left (2 b c d^2\right ) \int x \left (a+b \tan ^{-1}(c x)\right ) \, dx\\ &=-2 i a b d^2 x+\frac{1}{3} b c d^2 x^2 \left (a+b \tan ^{-1}(c x)\right )-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{(8 b) \int \frac{a+b \tan ^{-1}(c x)}{-\frac{i}{d^3}-\frac{c x}{d^3}} \, dx}{3 d}-\left (2 i b^2 d^2\right ) \int \tan ^{-1}(c x) \, dx-\frac{1}{3} \left (b^2 c^2 d^2\right ) \int \frac{x^2}{1+c^2 x^2} \, dx\\ &=-2 i a b d^2 x-\frac{1}{3} b^2 d^2 x-2 i b^2 d^2 x \tan ^{-1}(c x)+\frac{1}{3} b c d^2 x^2 \left (a+b \tan ^{-1}(c x)\right )-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{8 b d^2 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1-i c x}\right )}{3 c}+\frac{1}{3} \left (b^2 d^2\right ) \int \frac{1}{1+c^2 x^2} \, dx-\frac{1}{3} \left (8 b^2 d^2\right ) \int \frac{\log \left (\frac{2}{1-i c x}\right )}{1+c^2 x^2} \, dx+\left (2 i b^2 c d^2\right ) \int \frac{x}{1+c^2 x^2} \, dx\\ &=-2 i a b d^2 x-\frac{1}{3} b^2 d^2 x+\frac{b^2 d^2 \tan ^{-1}(c x)}{3 c}-2 i b^2 d^2 x \tan ^{-1}(c x)+\frac{1}{3} b c d^2 x^2 \left (a+b \tan ^{-1}(c x)\right )-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{8 b d^2 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1-i c x}\right )}{3 c}+\frac{i b^2 d^2 \log \left (1+c^2 x^2\right )}{c}-\frac{\left (8 i b^2 d^2\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1-i c x}\right )}{3 c}\\ &=-2 i a b d^2 x-\frac{1}{3} b^2 d^2 x+\frac{b^2 d^2 \tan ^{-1}(c x)}{3 c}-2 i b^2 d^2 x \tan ^{-1}(c x)+\frac{1}{3} b c d^2 x^2 \left (a+b \tan ^{-1}(c x)\right )-\frac{i d^2 (1+i c x)^3 \left (a+b \tan ^{-1}(c x)\right )^2}{3 c}+\frac{8 b d^2 \left (a+b \tan ^{-1}(c x)\right ) \log \left (\frac{2}{1-i c x}\right )}{3 c}+\frac{i b^2 d^2 \log \left (1+c^2 x^2\right )}{c}-\frac{4 i b^2 d^2 \text{Li}_2\left (1-\frac{2}{1-i c x}\right )}{3 c}\\ \end{align*}
Mathematica [A] time = 0.636959, size = 205, normalized size = 1.07 \[ -\frac{d^2 \left (4 i b^2 \text{PolyLog}\left (2,-e^{2 i \tan ^{-1}(c x)}\right )+a^2 c^3 x^3-3 i a^2 c^2 x^2-3 a^2 c x-a b c^2 x^2+4 a b \log \left (c^2 x^2+1\right )-b \tan ^{-1}(c x) \left (a \left (-2 c^3 x^3+6 i c^2 x^2+6 c x+6 i\right )+b \left (c^2 x^2-6 i c x+1\right )+8 b \log \left (1+e^{2 i \tan ^{-1}(c x)}\right )\right )+6 i a b c x-3 i b^2 \log \left (c^2 x^2+1\right )+b^2 c x+b^2 (c x-i)^3 \tan ^{-1}(c x)^2\right )}{3 c} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.089, size = 523, normalized size = 2.7 \begin{align*}{\frac{{d}^{2}{b}^{2}\arctan \left ( cx \right ) }{3\,c}}-{\frac{{\frac{i}{3}}{d}^{2}{b}^{2} \left ( \ln \left ( cx+i \right ) \right ) ^{2}}{c}}+{\frac{c{d}^{2}ab{x}^{2}}{3}}-{\frac{4\,{d}^{2}ab\ln \left ({c}^{2}{x}^{2}+1 \right ) }{3\,c}}-{\frac{4\,{d}^{2}{b}^{2}\arctan \left ( cx \right ) \ln \left ({c}^{2}{x}^{2}+1 \right ) }{3\,c}}+{\frac{i{d}^{2}{b}^{2} \left ( \arctan \left ( cx \right ) \right ) ^{2}}{c}}+ic{x}^{2}{a}^{2}{d}^{2}-{\frac{{c}^{2}{d}^{2}{b}^{2} \left ( \arctan \left ( cx \right ) \right ) ^{2}{x}^{3}}{3}}+2\,{d}^{2}ab\arctan \left ( cx \right ) x-{\frac{{\frac{2\,i}{3}}{d}^{2}{b}^{2}{\it dilog} \left ({\frac{i}{2}} \left ( cx-i \right ) \right ) }{c}}+{\frac{{\frac{i}{3}}{d}^{2}{b}^{2} \left ( \ln \left ( cx-i \right ) \right ) ^{2}}{c}}+{\frac{{\frac{2\,i}{3}}{d}^{2}{b}^{2}{\it dilog} \left ( -{\frac{i}{2}} \left ( cx+i \right ) \right ) }{c}}+2\,ic{d}^{2}ab\arctan \left ( cx \right ){x}^{2}-{\frac{{c}^{2}{x}^{3}{a}^{2}{d}^{2}}{3}}+{d}^{2}{b}^{2} \left ( \arctan \left ( cx \right ) \right ) ^{2}x-{\frac{{\frac{i}{3}}{d}^{2}{a}^{2}}{c}}+{\frac{c{d}^{2}{b}^{2}\arctan \left ( cx \right ){x}^{2}}{3}}-{\frac{{b}^{2}{d}^{2}x}{3}}+ic{d}^{2}{b}^{2} \left ( \arctan \left ( cx \right ) \right ) ^{2}{x}^{2}-{\frac{2\,{c}^{2}{d}^{2}ab\arctan \left ( cx \right ){x}^{3}}{3}}+{\frac{{\frac{2\,i}{3}}{d}^{2}{b}^{2}\ln \left ( cx-i \right ) \ln \left ( -{\frac{i}{2}} \left ( cx+i \right ) \right ) }{c}}-{\frac{{\frac{2\,i}{3}}{d}^{2}{b}^{2}\ln \left ( cx+i \right ) \ln \left ({\frac{i}{2}} \left ( cx-i \right ) \right ) }{c}}-{\frac{{\frac{2\,i}{3}}{d}^{2}{b}^{2}\ln \left ({c}^{2}{x}^{2}+1 \right ) \ln \left ( cx-i \right ) }{c}}+{\frac{{\frac{2\,i}{3}}{d}^{2}{b}^{2}\ln \left ({c}^{2}{x}^{2}+1 \right ) \ln \left ( cx+i \right ) }{c}}+{\frac{2\,i{d}^{2}ab\arctan \left ( cx \right ) }{c}}+x{a}^{2}{d}^{2}-2\,iab{d}^{2}x-2\,i{b}^{2}{d}^{2}x\arctan \left ( cx \right ) +{\frac{i{d}^{2}{b}^{2}\ln \left ({c}^{2}{x}^{2}+1 \right ) }{c}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \text{result too large to display} \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*} \frac{1}{12} \,{\left (b^{2} c^{2} d^{2} x^{3} - 3 i \, b^{2} c d^{2} x^{2} - 3 \, b^{2} d^{2} x\right )} \log \left (-\frac{c x + i}{c x - i}\right )^{2} +{\rm integral}\left (-\frac{3 \, a^{2} c^{4} d^{2} x^{4} - 6 i \, a^{2} c^{3} d^{2} x^{3} - 6 i \, a^{2} c d^{2} x - 3 \, a^{2} d^{2} -{\left (-3 i \, a b c^{4} d^{2} x^{4} -{\left (6 \, a b - i \, b^{2}\right )} c^{3} d^{2} x^{3} + 3 \, b^{2} c^{2} d^{2} x^{2} - 3 \,{\left (2 \, a b + i \, b^{2}\right )} c d^{2} x + 3 i \, a b d^{2}\right )} \log \left (-\frac{c x + i}{c x - i}\right )}{3 \,{\left (c^{2} x^{2} + 1\right )}}, 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{\left (i \, c d x + d\right )}^{2}{\left (b \arctan \left (c x\right ) + a\right )}^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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