Integrand size = 34, antiderivative size = 124 \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=-\frac {(A-i B) x}{8 a^3}+\frac {(i A-B) \tan ^2(c+d x)}{6 d (a+i a \tan (c+d x))^3}+\frac {i A-7 B}{24 a d (a+i a \tan (c+d x))^2}+\frac {i A+17 B}{24 d \left (a^3+i a^3 \tan (c+d x)\right )} \]
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Time = 0.48 (sec) , antiderivative size = 124, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {3676, 3671, 3607, 8} \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {17 B+i A}{24 d \left (a^3+i a^3 \tan (c+d x)\right )}-\frac {x (A-i B)}{8 a^3}+\frac {(-B+i A) \tan ^2(c+d x)}{6 d (a+i a \tan (c+d x))^3}+\frac {-7 B+i A}{24 a d (a+i a \tan (c+d x))^2} \]
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Rule 8
Rule 3607
Rule 3671
Rule 3676
Rubi steps \begin{align*} \text {integral}& = \frac {(i A-B) \tan ^2(c+d x)}{6 d (a+i a \tan (c+d x))^3}-\frac {\int \frac {\tan (c+d x) (2 a (i A-B)-a (A-5 i B) \tan (c+d x))}{(a+i a \tan (c+d x))^2} \, dx}{6 a^2} \\ & = \frac {(i A-B) \tan ^2(c+d x)}{6 d (a+i a \tan (c+d x))^3}+\frac {i A-7 B}{24 a d (a+i a \tan (c+d x))^2}+\frac {i \int \frac {a^2 (i A-7 B)-2 a^2 (A-5 i B) \tan (c+d x)}{a+i a \tan (c+d x)} \, dx}{12 a^4} \\ & = \frac {(i A-B) \tan ^2(c+d x)}{6 d (a+i a \tan (c+d x))^3}+\frac {i A-7 B}{24 a d (a+i a \tan (c+d x))^2}+\frac {i A+17 B}{24 d \left (a^3+i a^3 \tan (c+d x)\right )}-\frac {(A-i B) \int 1 \, dx}{8 a^3} \\ & = -\frac {(A-i B) x}{8 a^3}+\frac {(i A-B) \tan ^2(c+d x)}{6 d (a+i a \tan (c+d x))^3}+\frac {i A-7 B}{24 a d (a+i a \tan (c+d x))^2}+\frac {i A+17 B}{24 d \left (a^3+i a^3 \tan (c+d x)\right )} \\ \end{align*}
Time = 1.13 (sec) , antiderivative size = 147, normalized size of antiderivative = 1.19 \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {\sec ^3(c+d x) (-9 (A-i B) \cos (c+d x)+2 (A+i B-6 i A d x-6 B d x) \cos (3 (c+d x))-3 i A \sin (c+d x)-27 B \sin (c+d x)-2 i A \sin (3 (c+d x))+2 B \sin (3 (c+d x))+12 A d x \sin (3 (c+d x))-12 i B d x \sin (3 (c+d x)))}{96 a^3 d (-i+\tan (c+d x))^3} \]
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Time = 0.08 (sec) , antiderivative size = 128, normalized size of antiderivative = 1.03
method | result | size |
risch | \(\frac {i x B}{8 a^{3}}-\frac {x A}{8 a^{3}}+\frac {3 \,{\mathrm e}^{-2 i \left (d x +c \right )} B}{16 a^{3} d}+\frac {i {\mathrm e}^{-2 i \left (d x +c \right )} A}{16 a^{3} d}-\frac {3 \,{\mathrm e}^{-4 i \left (d x +c \right )} B}{32 a^{3} d}+\frac {i {\mathrm e}^{-4 i \left (d x +c \right )} A}{32 a^{3} d}+\frac {{\mathrm e}^{-6 i \left (d x +c \right )} B}{48 a^{3} d}-\frac {i {\mathrm e}^{-6 i \left (d x +c \right )} A}{48 a^{3} d}\) | \(128\) |
derivativedivides | \(\frac {A}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}+\frac {i B}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}-\frac {A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {7 i B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {A \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}+\frac {i B \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}-\frac {3 i A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}+\frac {5 B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}\) | \(158\) |
default | \(\frac {A}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}+\frac {i B}{6 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{3}}-\frac {A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {7 i B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )}-\frac {A \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}+\frac {i B \arctan \left (\tan \left (d x +c \right )\right )}{8 d \,a^{3}}-\frac {3 i A}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}+\frac {5 B}{8 d \,a^{3} \left (\tan \left (d x +c \right )-i\right )^{2}}\) | \(158\) |
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Time = 0.25 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.63 \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=-\frac {{\left (12 \, {\left (A - i \, B\right )} d x e^{\left (6 i \, d x + 6 i \, c\right )} + 6 \, {\left (-i \, A - 3 \, B\right )} e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, {\left (-i \, A + 3 \, B\right )} e^{\left (2 i \, d x + 2 i \, c\right )} + 2 i \, A - 2 \, B\right )} e^{\left (-6 i \, d x - 6 i \, c\right )}}{96 \, a^{3} d} \]
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Time = 0.29 (sec) , antiderivative size = 258, normalized size of antiderivative = 2.08 \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\begin {cases} \frac {\left (\left (- 512 i A a^{6} d^{2} e^{6 i c} + 512 B a^{6} d^{2} e^{6 i c}\right ) e^{- 6 i d x} + \left (768 i A a^{6} d^{2} e^{8 i c} - 2304 B a^{6} d^{2} e^{8 i c}\right ) e^{- 4 i d x} + \left (1536 i A a^{6} d^{2} e^{10 i c} + 4608 B a^{6} d^{2} e^{10 i c}\right ) e^{- 2 i d x}\right ) e^{- 12 i c}}{24576 a^{9} d^{3}} & \text {for}\: a^{9} d^{3} e^{12 i c} \neq 0 \\x \left (- \frac {- A + i B}{8 a^{3}} + \frac {\left (- A e^{6 i c} + A e^{4 i c} + A e^{2 i c} - A + i B e^{6 i c} - 3 i B e^{4 i c} + 3 i B e^{2 i c} - i B\right ) e^{- 6 i c}}{8 a^{3}}\right ) & \text {otherwise} \end {cases} + \frac {x \left (- A + i B\right )}{8 a^{3}} \]
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Exception generated. \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\text {Exception raised: RuntimeError} \]
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Time = 0.69 (sec) , antiderivative size = 129, normalized size of antiderivative = 1.04 \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=-\frac {\frac {6 \, {\left (i \, A + B\right )} \log \left (\tan \left (d x + c\right ) + i\right )}{a^{3}} + \frac {6 \, {\left (-i \, A - B\right )} \log \left (\tan \left (d x + c\right ) - i\right )}{a^{3}} + \frac {11 i \, A \tan \left (d x + c\right )^{3} + 11 \, B \tan \left (d x + c\right )^{3} + 45 \, A \tan \left (d x + c\right )^{2} + 51 i \, B \tan \left (d x + c\right )^{2} - 21 i \, A \tan \left (d x + c\right ) + 75 \, B \tan \left (d x + c\right ) - 3 \, A - 29 i \, B}{a^{3} {\left (\tan \left (d x + c\right ) - i\right )}^{3}}}{96 \, d} \]
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Time = 7.72 (sec) , antiderivative size = 111, normalized size of antiderivative = 0.90 \[ \int \frac {\tan ^2(c+d x) (A+B \tan (c+d x))}{(a+i a \tan (c+d x))^3} \, dx=\frac {{\mathrm {tan}\left (c+d\,x\right )}^2\,\left (-\frac {7\,B}{8\,a^3}+\frac {A\,1{}\mathrm {i}}{8\,a^3}\right )+\frac {A\,1{}\mathrm {i}}{12\,a^3}+\frac {5\,B}{12\,a^3}-\mathrm {tan}\left (c+d\,x\right )\,\left (\frac {A}{8\,a^3}-\frac {B\,9{}\mathrm {i}}{8\,a^3}\right )}{d\,\left (-{\mathrm {tan}\left (c+d\,x\right )}^3\,1{}\mathrm {i}-3\,{\mathrm {tan}\left (c+d\,x\right )}^2+\mathrm {tan}\left (c+d\,x\right )\,3{}\mathrm {i}+1\right )}+\frac {x\,\left (B+A\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{8\,a^3} \]
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