Optimal. Leaf size=142 \[ -\frac{2 (3 A-7 i B) \left (a^3 \cot (c+d x)+i a^3\right )}{3 d \sqrt{\cot (c+d x)}}-\frac{8 \sqrt [4]{-1} a^3 (A-i B) \tanh ^{-1}\left ((-1)^{3/4} \sqrt{\cot (c+d x)}\right )}{d}-\frac{16 i a^3 B \sqrt{\cot (c+d x)}}{3 d}+\frac{2 i a B (a \cot (c+d x)+i a)^2}{3 d \cot ^{\frac{3}{2}}(c+d x)} \]
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Rubi [A] time = 0.47097, antiderivative size = 142, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 36, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.139, Rules used = {3581, 3593, 3592, 3533, 208} \[ -\frac{2 (3 A-7 i B) \left (a^3 \cot (c+d x)+i a^3\right )}{3 d \sqrt{\cot (c+d x)}}-\frac{8 \sqrt [4]{-1} a^3 (A-i B) \tanh ^{-1}\left ((-1)^{3/4} \sqrt{\cot (c+d x)}\right )}{d}-\frac{16 i a^3 B \sqrt{\cot (c+d x)}}{3 d}+\frac{2 i a B (a \cot (c+d x)+i a)^2}{3 d \cot ^{\frac{3}{2}}(c+d x)} \]
Antiderivative was successfully verified.
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Rule 3581
Rule 3593
Rule 3592
Rule 3533
Rule 208
Rubi steps
\begin{align*} \int \cot ^{\frac{3}{2}}(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx &=\int \frac{(i a+a \cot (c+d x))^3 (B+A \cot (c+d x))}{\cot ^{\frac{5}{2}}(c+d x)} \, dx\\ &=\frac{2 i a B (i a+a \cot (c+d x))^2}{3 d \cot ^{\frac{3}{2}}(c+d x)}+\frac{2}{3} \int \frac{(i a+a \cot (c+d x))^2 \left (\frac{1}{2} a (3 i A+7 B)+\frac{1}{2} a (3 A+i B) \cot (c+d x)\right )}{\cot ^{\frac{3}{2}}(c+d x)} \, dx\\ &=\frac{2 i a B (i a+a \cot (c+d x))^2}{3 d \cot ^{\frac{3}{2}}(c+d x)}-\frac{2 (3 A-7 i B) \left (i a^3+a^3 \cot (c+d x)\right )}{3 d \sqrt{\cot (c+d x)}}+\frac{4}{3} \int \frac{(i a+a \cot (c+d x)) \left (a^2 (3 i A+5 B)+2 i a^2 B \cot (c+d x)\right )}{\sqrt{\cot (c+d x)}} \, dx\\ &=-\frac{16 i a^3 B \sqrt{\cot (c+d x)}}{3 d}+\frac{2 i a B (i a+a \cot (c+d x))^2}{3 d \cot ^{\frac{3}{2}}(c+d x)}-\frac{2 (3 A-7 i B) \left (i a^3+a^3 \cot (c+d x)\right )}{3 d \sqrt{\cot (c+d x)}}+\frac{4}{3} \int \frac{-3 a^3 (A-i B)+3 a^3 (i A+B) \cot (c+d x)}{\sqrt{\cot (c+d x)}} \, dx\\ &=-\frac{16 i a^3 B \sqrt{\cot (c+d x)}}{3 d}+\frac{2 i a B (i a+a \cot (c+d x))^2}{3 d \cot ^{\frac{3}{2}}(c+d x)}-\frac{2 (3 A-7 i B) \left (i a^3+a^3 \cot (c+d x)\right )}{3 d \sqrt{\cot (c+d x)}}+\frac{\left (24 a^6 (A-i B)^2\right ) \operatorname{Subst}\left (\int \frac{1}{3 a^3 (A-i B)+3 a^3 (i A+B) x^2} \, dx,x,\sqrt{\cot (c+d x)}\right )}{d}\\ &=-\frac{8 \sqrt [4]{-1} a^3 (A-i B) \tanh ^{-1}\left ((-1)^{3/4} \sqrt{\cot (c+d x)}\right )}{d}-\frac{16 i a^3 B \sqrt{\cot (c+d x)}}{3 d}+\frac{2 i a B (i a+a \cot (c+d x))^2}{3 d \cot ^{\frac{3}{2}}(c+d x)}-\frac{2 (3 A-7 i B) \left (i a^3+a^3 \cot (c+d x)\right )}{3 d \sqrt{\cot (c+d x)}}\\ \end{align*}
Mathematica [A] time = 5.91535, size = 132, normalized size = 0.93 \[ -\frac{a^3 \sqrt{\cot (c+d x)} \left (\sec ^2(c+d x) ((9 B+3 i A) \sin (2 (c+d x))+(3 A-i B) \cos (2 (c+d x))+3 A+i B)-24 (A-i B) \sqrt{i \tan (c+d x)} \tanh ^{-1}\left (\sqrt{\frac{-1+e^{2 i (c+d x)}}{1+e^{2 i (c+d x)}}}\right )\right )}{3 d} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.54, size = 1539, normalized size = 10.8 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.55794, size = 263, normalized size = 1.85 \begin{align*} \frac{3 \,{\left (\sqrt{2}{\left (-\left (2 i - 2\right ) \, A - \left (2 i + 2\right ) \, B\right )} \arctan \left (\frac{1}{2} \, \sqrt{2}{\left (\sqrt{2} + \frac{2}{\sqrt{\tan \left (d x + c\right )}}\right )}\right ) + \sqrt{2}{\left (-\left (2 i - 2\right ) \, A - \left (2 i + 2\right ) \, B\right )} \arctan \left (-\frac{1}{2} \, \sqrt{2}{\left (\sqrt{2} - \frac{2}{\sqrt{\tan \left (d x + c\right )}}\right )}\right ) - \sqrt{2}{\left (-\left (i + 1\right ) \, A + \left (i - 1\right ) \, B\right )} \log \left (\frac{\sqrt{2}}{\sqrt{\tan \left (d x + c\right )}} + \frac{1}{\tan \left (d x + c\right )} + 1\right ) + \sqrt{2}{\left (-\left (i + 1\right ) \, A + \left (i - 1\right ) \, B\right )} \log \left (-\frac{\sqrt{2}}{\sqrt{\tan \left (d x + c\right )}} + \frac{1}{\tan \left (d x + c\right )} + 1\right )\right )} a^{3} - \frac{6 \, A a^{3}}{\sqrt{\tan \left (d x + c\right )}} + 2 \,{\left (-i \, B a^{3} - \frac{3 \,{\left (i \, A + 3 \, B\right )} a^{3}}{\tan \left (d x + c\right )}\right )} \tan \left (d x + c\right )^{\frac{3}{2}}}{3 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.63229, size = 1185, normalized size = 8.35 \begin{align*} \frac{3 \, \sqrt{\frac{{\left (64 i \, A^{2} + 128 \, A B - 64 i \, B^{2}\right )} a^{6}}{d^{2}}}{\left (d e^{\left (4 i \, d x + 4 i \, c\right )} + 2 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )} \log \left (-\frac{{\left (8 \,{\left (A - i \, B\right )} a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} - \sqrt{\frac{{\left (64 i \, A^{2} + 128 \, A B - 64 i \, B^{2}\right )} a^{6}}{d^{2}}}{\left (i \, d e^{\left (2 i \, d x + 2 i \, c\right )} - i \, d\right )} \sqrt{\frac{i \, e^{\left (2 i \, d x + 2 i \, c\right )} + i}{e^{\left (2 i \, d x + 2 i \, c\right )} - 1}}\right )} e^{\left (-2 i \, d x - 2 i \, c\right )}}{{\left (4 i \, A + 4 \, B\right )} a^{3}}\right ) - 3 \, \sqrt{\frac{{\left (64 i \, A^{2} + 128 \, A B - 64 i \, B^{2}\right )} a^{6}}{d^{2}}}{\left (d e^{\left (4 i \, d x + 4 i \, c\right )} + 2 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )} \log \left (-\frac{{\left (8 \,{\left (A - i \, B\right )} a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} - \sqrt{\frac{{\left (64 i \, A^{2} + 128 \, A B - 64 i \, B^{2}\right )} a^{6}}{d^{2}}}{\left (-i \, d e^{\left (2 i \, d x + 2 i \, c\right )} + i \, d\right )} \sqrt{\frac{i \, e^{\left (2 i \, d x + 2 i \, c\right )} + i}{e^{\left (2 i \, d x + 2 i \, c\right )} - 1}}\right )} e^{\left (-2 i \, d x - 2 i \, c\right )}}{{\left (4 i \, A + 4 \, B\right )} a^{3}}\right ) -{\left (16 \,{\left (3 \, A - 5 i \, B\right )} a^{3} e^{\left (4 i \, d x + 4 i \, c\right )} + 16 \,{\left (3 \, A + i \, B\right )} a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} + 64 i \, B a^{3}\right )} \sqrt{\frac{i \, e^{\left (2 i \, d x + 2 i \, c\right )} + i}{e^{\left (2 i \, d x + 2 i \, c\right )} - 1}}}{12 \,{\left (d e^{\left (4 i \, d x + 4 i \, c\right )} + 2 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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 (B \tan \left (d x + c\right ) + A\right )}{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{3} \cot \left (d x + c\right )^{\frac{3}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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