Optimal. Leaf size=145 \[ \frac{B+i A}{16 d \left (a^4+i a^4 \tan (c+d x)\right )}+\frac{B+i A}{16 d \left (a^2+i a^2 \tan (c+d x)\right )^2}+\frac{x (A-i B)}{16 a^4}+\frac{-B+i A}{8 d (a+i a \tan (c+d x))^4}+\frac{B+i A}{12 a d (a+i a \tan (c+d x))^3} \]
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Rubi [A] time = 0.106414, antiderivative size = 145, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 3, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.115, Rules used = {3526, 3479, 8} \[ \frac{B+i A}{16 d \left (a^4+i a^4 \tan (c+d x)\right )}+\frac{B+i A}{16 d \left (a^2+i a^2 \tan (c+d x)\right )^2}+\frac{x (A-i B)}{16 a^4}+\frac{-B+i A}{8 d (a+i a \tan (c+d x))^4}+\frac{B+i A}{12 a d (a+i a \tan (c+d x))^3} \]
Antiderivative was successfully verified.
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Rule 3526
Rule 3479
Rule 8
Rubi steps
\begin{align*} \int \frac{A+B \tan (c+d x)}{(a+i a \tan (c+d x))^4} \, dx &=\frac{i A-B}{8 d (a+i a \tan (c+d x))^4}+\frac{(A-i B) \int \frac{1}{(a+i a \tan (c+d x))^3} \, dx}{2 a}\\ &=\frac{i A-B}{8 d (a+i a \tan (c+d x))^4}+\frac{i A+B}{12 a d (a+i a \tan (c+d x))^3}+\frac{(A-i B) \int \frac{1}{(a+i a \tan (c+d x))^2} \, dx}{4 a^2}\\ &=\frac{i A-B}{8 d (a+i a \tan (c+d x))^4}+\frac{i A+B}{12 a d (a+i a \tan (c+d x))^3}+\frac{i A+B}{16 d \left (a^2+i a^2 \tan (c+d x)\right )^2}+\frac{(A-i B) \int \frac{1}{a+i a \tan (c+d x)} \, dx}{8 a^3}\\ &=\frac{i A-B}{8 d (a+i a \tan (c+d x))^4}+\frac{i A+B}{12 a d (a+i a \tan (c+d x))^3}+\frac{i A+B}{16 d \left (a^2+i a^2 \tan (c+d x)\right )^2}+\frac{i A+B}{16 d \left (a^4+i a^4 \tan (c+d x)\right )}+\frac{(A-i B) \int 1 \, dx}{16 a^4}\\ &=\frac{(A-i B) x}{16 a^4}+\frac{i A-B}{8 d (a+i a \tan (c+d x))^4}+\frac{i A+B}{12 a d (a+i a \tan (c+d x))^3}+\frac{i A+B}{16 d \left (a^2+i a^2 \tan (c+d x)\right )^2}+\frac{i A+B}{16 d \left (a^4+i a^4 \tan (c+d x)\right )}\\ \end{align*}
Mathematica [A] time = 0.817563, size = 160, normalized size = 1.1 \[ \frac{\sec ^4(c+d x) (16 (B+4 i A) \cos (2 (c+d x))+3 (8 A d x+i A-8 i B d x-B) \cos (4 (c+d x))-32 A \sin (2 (c+d x))+24 i A d x \sin (4 (c+d x))+3 A \sin (4 (c+d x))+36 i A+32 i B \sin (2 (c+d x))+3 i B \sin (4 (c+d x))+24 B d x \sin (4 (c+d x)))}{384 a^4 d (\tan (c+d x)-i)^4} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.031, size = 244, normalized size = 1.7 \begin{align*}{\frac{{\frac{i}{8}}A}{{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) ^{4}}}-{\frac{B}{8\,{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) ^{4}}}-{\frac{{\frac{i}{32}}\ln \left ( \tan \left ( dx+c \right ) -i \right ) A}{{a}^{4}d}}-{\frac{\ln \left ( \tan \left ( dx+c \right ) -i \right ) B}{32\,{a}^{4}d}}-{\frac{A}{12\,{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) ^{3}}}+{\frac{{\frac{i}{12}}B}{{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) ^{3}}}-{\frac{{\frac{i}{16}}A}{{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) ^{2}}}-{\frac{B}{16\,{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) ^{2}}}+{\frac{A}{16\,{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) }}-{\frac{{\frac{i}{16}}B}{{a}^{4}d \left ( \tan \left ( dx+c \right ) -i \right ) }}+{\frac{B\ln \left ( \tan \left ( dx+c \right ) +i \right ) }{32\,{a}^{4}d}}+{\frac{{\frac{i}{32}}A\ln \left ( \tan \left ( dx+c \right ) +i \right ) }{{a}^{4}d}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: RuntimeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.42516, size = 261, normalized size = 1.8 \begin{align*} \frac{{\left (24 \,{\left (A - i \, B\right )} d x e^{\left (8 i \, d x + 8 i \, c\right )} +{\left (48 i \, A + 24 \, B\right )} e^{\left (6 i \, d x + 6 i \, c\right )} + 36 i \, A e^{\left (4 i \, d x + 4 i \, c\right )} +{\left (16 i \, A - 8 \, B\right )} e^{\left (2 i \, d x + 2 i \, c\right )} + 3 i \, A - 3 \, B\right )} e^{\left (-8 i \, d x - 8 i \, c\right )}}{384 \, a^{4} d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 11.3457, size = 301, normalized size = 2.08 \begin{align*} \begin{cases} \frac{\left (294912 i A a^{12} d^{3} e^{16 i c} e^{- 4 i d x} + \left (24576 i A a^{12} d^{3} e^{12 i c} - 24576 B a^{12} d^{3} e^{12 i c}\right ) e^{- 8 i d x} + \left (131072 i A a^{12} d^{3} e^{14 i c} - 65536 B a^{12} d^{3} e^{14 i c}\right ) e^{- 6 i d x} + \left (393216 i A a^{12} d^{3} e^{18 i c} + 196608 B a^{12} d^{3} e^{18 i c}\right ) e^{- 2 i d x}\right ) e^{- 20 i c}}{3145728 a^{16} d^{4}} & \text{for}\: 3145728 a^{16} d^{4} e^{20 i c} \neq 0 \\x \left (- \frac{A - i B}{16 a^{4}} + \frac{\left (A e^{8 i c} + 4 A e^{6 i c} + 6 A e^{4 i c} + 4 A e^{2 i c} + A - i B e^{8 i c} - 2 i B e^{6 i c} + 2 i B e^{2 i c} + i B\right ) e^{- 8 i c}}{16 a^{4}}\right ) & \text{otherwise} \end{cases} + \frac{x \left (A - i B\right )}{16 a^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.33658, size = 208, normalized size = 1.43 \begin{align*} -\frac{\frac{12 \,{\left (-i \, A - B\right )} \log \left (\tan \left (d x + c\right ) + i\right )}{a^{4}} - \frac{12 \,{\left (-i \, A - B\right )} \log \left (\tan \left (d x + c\right ) - i\right )}{a^{4}} - \frac{25 i \, A \tan \left (d x + c\right )^{4} + 25 \, B \tan \left (d x + c\right )^{4} + 124 \, A \tan \left (d x + c\right )^{3} - 124 i \, B \tan \left (d x + c\right )^{3} - 246 i \, A \tan \left (d x + c\right )^{2} - 246 \, B \tan \left (d x + c\right )^{2} - 252 \, A \tan \left (d x + c\right ) + 252 i \, B \tan \left (d x + c\right ) + 153 i \, A + 57 \, B}{a^{4}{\left (\tan \left (d x + c\right ) - i\right )}^{4}}}{384 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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