Integrand size = 36, antiderivative size = 169 \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=-\frac {8 \sqrt [4]{-1} a^3 (A-i B) \arctan \left ((-1)^{3/4} \sqrt {\tan (c+d x)}\right )}{d}+\frac {8 a^3 (23 A-21 i B)}{105 d \tan ^{\frac {3}{2}}(c+d x)}+\frac {8 a^3 (i A+B)}{d \sqrt {\tan (c+d x)}}-\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}-\frac {2 (11 i A+7 B) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)} \]
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Time = 0.49 (sec) , antiderivative size = 169, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.139, Rules used = {3674, 3672, 3610, 3614, 211} \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=-\frac {8 \sqrt [4]{-1} a^3 (A-i B) \arctan \left ((-1)^{3/4} \sqrt {\tan (c+d x)}\right )}{d}+\frac {8 a^3 (23 A-21 i B)}{105 d \tan ^{\frac {3}{2}}(c+d x)}-\frac {2 (7 B+11 i A) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)}+\frac {8 a^3 (B+i A)}{d \sqrt {\tan (c+d x)}}-\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)} \]
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Rule 211
Rule 3610
Rule 3614
Rule 3672
Rule 3674
Rubi steps \begin{align*} \text {integral}& = -\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}+\frac {2}{7} \int \frac {(a+i a \tan (c+d x))^2 \left (\frac {1}{2} a (11 i A+7 B)-\frac {1}{2} a (3 A-7 i B) \tan (c+d x)\right )}{\tan ^{\frac {7}{2}}(c+d x)} \, dx \\ & = -\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}-\frac {2 (11 i A+7 B) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)}+\frac {4}{35} \int \frac {(a+i a \tan (c+d x)) \left (-a^2 (23 A-21 i B)-2 a^2 (6 i A+7 B) \tan (c+d x)\right )}{\tan ^{\frac {5}{2}}(c+d x)} \, dx \\ & = \frac {8 a^3 (23 A-21 i B)}{105 d \tan ^{\frac {3}{2}}(c+d x)}-\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}-\frac {2 (11 i A+7 B) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)}+\frac {4}{35} \int \frac {-35 a^3 (i A+B)+35 a^3 (A-i B) \tan (c+d x)}{\tan ^{\frac {3}{2}}(c+d x)} \, dx \\ & = \frac {8 a^3 (23 A-21 i B)}{105 d \tan ^{\frac {3}{2}}(c+d x)}+\frac {8 a^3 (i A+B)}{d \sqrt {\tan (c+d x)}}-\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}-\frac {2 (11 i A+7 B) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)}+\frac {4}{35} \int \frac {35 a^3 (A-i B)+35 a^3 (i A+B) \tan (c+d x)}{\sqrt {\tan (c+d x)}} \, dx \\ & = \frac {8 a^3 (23 A-21 i B)}{105 d \tan ^{\frac {3}{2}}(c+d x)}+\frac {8 a^3 (i A+B)}{d \sqrt {\tan (c+d x)}}-\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}-\frac {2 (11 i A+7 B) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)}+\frac {\left (280 a^6 (A-i B)^2\right ) \text {Subst}\left (\int \frac {1}{35 a^3 (A-i B)-35 a^3 (i A+B) x^2} \, dx,x,\sqrt {\tan (c+d x)}\right )}{d} \\ & = -\frac {8 \sqrt [4]{-1} a^3 (A-i B) \arctan \left ((-1)^{3/4} \sqrt {\tan (c+d x)}\right )}{d}+\frac {8 a^3 (23 A-21 i B)}{105 d \tan ^{\frac {3}{2}}(c+d x)}+\frac {8 a^3 (i A+B)}{d \sqrt {\tan (c+d x)}}-\frac {2 a A (a+i a \tan (c+d x))^2}{7 d \tan ^{\frac {7}{2}}(c+d x)}-\frac {2 (11 i A+7 B) \left (a^3+i a^3 \tan (c+d x)\right )}{35 d \tan ^{\frac {5}{2}}(c+d x)} \\ \end{align*}
Time = 3.66 (sec) , antiderivative size = 118, normalized size of antiderivative = 0.70 \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=-\frac {2 a^3 \left (15 A+21 (3 i A+B) \tan (c+d x)-35 (4 A-3 i B) \tan ^2(c+d x)-420 i (A-i B) \tan ^3(c+d x)+420 \sqrt [4]{-1} (A-i B) \arctan \left ((-1)^{3/4} \sqrt {\tan (c+d x)}\right ) \tan ^{\frac {7}{2}}(c+d x)\right )}{105 d \tan ^{\frac {7}{2}}(c+d x)} \]
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Time = 0.04 (sec) , antiderivative size = 258, normalized size of antiderivative = 1.53
method | result | size |
derivativedivides | \(\frac {a^{3} \left (-\frac {2 A}{7 \tan \left (d x +c \right )^{\frac {7}{2}}}-\frac {2 \left (-4 i A -4 B \right )}{\sqrt {\tan \left (d x +c \right )}}-\frac {2 \left (3 i A +B \right )}{5 \tan \left (d x +c \right )^{\frac {5}{2}}}-\frac {2 \left (3 i B -4 A \right )}{3 \tan \left (d x +c \right )^{\frac {3}{2}}}+\frac {\left (-4 i B +4 A \right ) \sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}+\frac {\left (4 i A +4 B \right ) \sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}\) | \(258\) |
default | \(\frac {a^{3} \left (-\frac {2 A}{7 \tan \left (d x +c \right )^{\frac {7}{2}}}-\frac {2 \left (-4 i A -4 B \right )}{\sqrt {\tan \left (d x +c \right )}}-\frac {2 \left (3 i A +B \right )}{5 \tan \left (d x +c \right )^{\frac {5}{2}}}-\frac {2 \left (3 i B -4 A \right )}{3 \tan \left (d x +c \right )^{\frac {3}{2}}}+\frac {\left (-4 i B +4 A \right ) \sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}+\frac {\left (4 i A +4 B \right ) \sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}\) | \(258\) |
parts | \(\frac {\left (-i A \,a^{3}-3 B \,a^{3}\right ) \left (-\frac {\sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}-\frac {2}{\sqrt {\tan \left (d x +c \right )}}\right )}{d}+\frac {\left (3 i A \,a^{3}+B \,a^{3}\right ) \left (\frac {\sqrt {2}\, \left (\ln \left (\frac {1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}-\frac {2}{5 \tan \left (d x +c \right )^{\frac {5}{2}}}+\frac {2}{\sqrt {\tan \left (d x +c \right )}}\right )}{d}+\frac {\left (3 i B \,a^{3}-3 A \,a^{3}\right ) \left (-\frac {2}{3 \tan \left (d x +c \right )^{\frac {3}{2}}}-\frac {\sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}\right )}{d}+\frac {A \,a^{3} \left (\frac {\sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4}-\frac {2}{7 \tan \left (d x +c \right )^{\frac {7}{2}}}+\frac {2}{3 \tan \left (d x +c \right )^{\frac {3}{2}}}\right )}{d}-\frac {i B \,a^{3} \sqrt {2}\, \left (\ln \left (\frac {1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}{1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )}\right )+2 \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )+2 \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right )\right )}{4 d}\) | \(560\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 561 vs. \(2 (137) = 274\).
Time = 0.29 (sec) , antiderivative size = 561, normalized size of antiderivative = 3.32 \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=\frac {2 \, {\left (105 \, \sqrt {-\frac {{\left (i \, A^{2} + 2 \, A B - i \, B^{2}\right )} a^{6}}{d^{2}}} {\left (d e^{\left (8 i \, d x + 8 i \, c\right )} - 4 \, d e^{\left (6 i \, d x + 6 i \, c\right )} + 6 \, d e^{\left (4 i \, d x + 4 i \, c\right )} - 4 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )} \log \left (-\frac {2 \, {\left ({\left (A - i \, B\right )} a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} + \sqrt {-\frac {{\left (i \, A^{2} + 2 \, A B - 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 (-i \, A - B\right )} a^{3}}\right ) - 105 \, \sqrt {-\frac {{\left (i \, A^{2} + 2 \, A B - i \, B^{2}\right )} a^{6}}{d^{2}}} {\left (d e^{\left (8 i \, d x + 8 i \, c\right )} - 4 \, d e^{\left (6 i \, d x + 6 i \, c\right )} + 6 \, d e^{\left (4 i \, d x + 4 i \, c\right )} - 4 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )} \log \left (-\frac {2 \, {\left ({\left (A - i \, B\right )} a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} + \sqrt {-\frac {{\left (i \, A^{2} + 2 \, A B - 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 (-i \, A - B\right )} a^{3}}\right ) - 2 \, {\left ({\left (319 \, A - 273 i \, B\right )} a^{3} e^{\left (8 i \, d x + 8 i \, c\right )} - 3 \, {\left (109 \, A - 133 i \, B\right )} a^{3} e^{\left (6 i \, d x + 6 i \, c\right )} - 5 \, {\left (19 \, A - 21 i \, B\right )} a^{3} e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, {\left (129 \, A - 133 i \, B\right )} a^{3} e^{\left (2 i \, d x + 2 i \, c\right )} - 4 \, {\left (41 \, A - 42 i \, B\right )} 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}}\right )}}{105 \, {\left (d e^{\left (8 i \, d x + 8 i \, c\right )} - 4 \, d e^{\left (6 i \, d x + 6 i \, c\right )} + 6 \, d e^{\left (4 i \, d x + 4 i \, c\right )} - 4 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )}} \]
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\[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=- i a^{3} \left (\int \left (- \frac {3 A}{\tan ^{\frac {7}{2}}{\left (c + d x \right )}}\right )\, dx + \int \frac {A}{\tan ^{\frac {3}{2}}{\left (c + d x \right )}}\, dx + \int \left (- \frac {3 B}{\tan ^{\frac {5}{2}}{\left (c + d x \right )}}\right )\, dx + \int \frac {B}{\sqrt {\tan {\left (c + d x \right )}}}\, dx + \int \frac {i A}{\tan ^{\frac {9}{2}}{\left (c + d x \right )}}\, dx + \int \left (- \frac {3 i A}{\tan ^{\frac {5}{2}}{\left (c + d x \right )}}\right )\, dx + \int \frac {i B}{\tan ^{\frac {7}{2}}{\left (c + d x \right )}}\, dx + \int \left (- \frac {3 i B}{\tan ^{\frac {3}{2}}{\left (c + d x \right )}}\right )\, dx\right ) \]
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Time = 0.41 (sec) , antiderivative size = 215, normalized size of antiderivative = 1.27 \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=\frac {105 \, {\left (2 \, \sqrt {2} {\left (\left (i + 1\right ) \, A - \left (i - 1\right ) \, B\right )} \arctan \left (\frac {1}{2} \, \sqrt {2} {\left (\sqrt {2} + 2 \, \sqrt {\tan \left (d x + c\right )}\right )}\right ) + 2 \, \sqrt {2} {\left (\left (i + 1\right ) \, A - \left (i - 1\right ) \, B\right )} \arctan \left (-\frac {1}{2} \, \sqrt {2} {\left (\sqrt {2} - 2 \, \sqrt {\tan \left (d x + c\right )}\right )}\right ) - \sqrt {2} {\left (\left (i - 1\right ) \, A + \left (i + 1\right ) \, B\right )} \log \left (\sqrt {2} \sqrt {\tan \left (d x + c\right )} + \tan \left (d x + c\right ) + 1\right ) + \sqrt {2} {\left (\left (i - 1\right ) \, A + \left (i + 1\right ) \, B\right )} \log \left (-\sqrt {2} \sqrt {\tan \left (d x + c\right )} + \tan \left (d x + c\right ) + 1\right )\right )} a^{3} + \frac {2 \, {\left (420 \, {\left (i \, A + B\right )} a^{3} \tan \left (d x + c\right )^{3} + 35 \, {\left (4 \, A - 3 i \, B\right )} a^{3} \tan \left (d x + c\right )^{2} + 21 \, {\left (-3 i \, A - B\right )} a^{3} \tan \left (d x + c\right ) - 15 \, A a^{3}\right )}}{\tan \left (d x + c\right )^{\frac {7}{2}}}}{105 \, d} \]
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Time = 1.36 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.80 \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=\frac {\left (4 i - 4\right ) \, \sqrt {2} {\left (-i \, A a^{3} - B a^{3}\right )} \arctan \left (-\left (\frac {1}{2} i - \frac {1}{2}\right ) \, \sqrt {2} \sqrt {\tan \left (d x + c\right )}\right )}{d} - \frac {2 \, {\left (-420 i \, A a^{3} \tan \left (d x + c\right )^{3} - 420 \, B a^{3} \tan \left (d x + c\right )^{3} - 140 \, A a^{3} \tan \left (d x + c\right )^{2} + 105 i \, B a^{3} \tan \left (d x + c\right )^{2} + 63 i \, A a^{3} \tan \left (d x + c\right ) + 21 \, B a^{3} \tan \left (d x + c\right ) + 15 \, A a^{3}\right )}}{105 \, d \tan \left (d x + c\right )^{\frac {7}{2}}} \]
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Time = 11.30 (sec) , antiderivative size = 293, normalized size of antiderivative = 1.73 \[ \int \frac {(a+i a \tan (c+d x))^3 (A+B \tan (c+d x))}{\tan ^{\frac {9}{2}}(c+d x)} \, dx=-\frac {\frac {2\,A\,a^3}{7\,d}+\frac {A\,a^3\,\mathrm {tan}\left (c+d\,x\right )\,6{}\mathrm {i}}{5\,d}-\frac {8\,A\,a^3\,{\mathrm {tan}\left (c+d\,x\right )}^2}{3\,d}-\frac {A\,a^3\,{\mathrm {tan}\left (c+d\,x\right )}^3\,8{}\mathrm {i}}{d}}{{\mathrm {tan}\left (c+d\,x\right )}^{7/2}}-\frac {\frac {2\,B\,a^3}{5\,d}-\frac {8\,B\,a^3\,{\mathrm {tan}\left (c+d\,x\right )}^2}{d}+\frac {B\,a^3\,\mathrm {tan}\left (c+d\,x\right )\,2{}\mathrm {i}}{d}}{{\mathrm {tan}\left (c+d\,x\right )}^{5/2}}+\frac {\sqrt {2}\,A\,a^3\,\ln \left (A\,a^3\,d\,8{}\mathrm {i}+\sqrt {2}\,A\,a^3\,d\,\sqrt {\mathrm {tan}\left (c+d\,x\right )}\,\left (-4+4{}\mathrm {i}\right )\right )\,\left (2-2{}\mathrm {i}\right )}{d}-\frac {\sqrt {-16{}\mathrm {i}}\,A\,a^3\,\ln \left (A\,a^3\,d\,8{}\mathrm {i}+2\,\sqrt {-16{}\mathrm {i}}\,A\,a^3\,d\,\sqrt {\mathrm {tan}\left (c+d\,x\right )}\right )}{d}+\frac {\sqrt {2}\,B\,a^3\,\ln \left (8\,B\,a^3\,d+\sqrt {2}\,B\,a^3\,d\,\sqrt {\mathrm {tan}\left (c+d\,x\right )}\,\left (-4-4{}\mathrm {i}\right )\right )\,\left (2+2{}\mathrm {i}\right )}{d}-\frac {\sqrt {16{}\mathrm {i}}\,B\,a^3\,\ln \left (8\,B\,a^3\,d+2\,\sqrt {16{}\mathrm {i}}\,B\,a^3\,d\,\sqrt {\mathrm {tan}\left (c+d\,x\right )}\right )}{d} \]
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