Integrand size = 28, antiderivative size = 192 \[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=-\frac {2 d \left (d^2+i c d m-c^2 (3+m)\right ) (a+i a \tan (e+f x))^m}{f m (2+m)}+\frac {(i c+d)^3 \operatorname {Hypergeometric2F1}\left (1,m,1+m,\frac {1}{2} (1+i \tan (e+f x))\right ) (a+i a \tan (e+f x))^m}{2 f m}-\frac {d^2 (d m+i c (4+m)) (a+i a \tan (e+f x))^{1+m}}{a f (1+m) (2+m)}+\frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (2+m)} \]
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Time = 0.48 (sec) , antiderivative size = 192, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {3641, 3673, 3608, 3562, 70} \[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=-\frac {2 d \left (-\left (c^2 (m+3)\right )+i c d m+d^2\right ) (a+i a \tan (e+f x))^m}{f m (m+2)}-\frac {d^2 (d m+i c (m+4)) (a+i a \tan (e+f x))^{m+1}}{a f (m+1) (m+2)}+\frac {(d+i c)^3 (a+i a \tan (e+f x))^m \operatorname {Hypergeometric2F1}\left (1,m,m+1,\frac {1}{2} (i \tan (e+f x)+1)\right )}{2 f m}+\frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (m+2)} \]
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Rule 70
Rule 3562
Rule 3608
Rule 3641
Rule 3673
Rubi steps \begin{align*} \text {integral}& = \frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (2+m)}-\frac {\int (a+i a \tan (e+f x))^m (c+d \tan (e+f x)) \left (-a \left (c^2 (2+m)-d (2 d+i c m)\right )+a d (i d m-c (4+m)) \tan (e+f x)\right ) \, dx}{a (2+m)} \\ & = -\frac {d^2 (d m+i c (4+m)) (a+i a \tan (e+f x))^{1+m}}{a f (1+m) (2+m)}+\frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (2+m)}-\frac {\int (a+i a \tan (e+f x))^m \left (a \left (i c^2 d m-i d^3 m-c^3 (2+m)+c d^2 (6+m)\right )+2 a d \left (d^2+i c d m-c^2 (3+m)\right ) \tan (e+f x)\right ) \, dx}{a (2+m)} \\ & = -\frac {2 d \left (d^2+i c d m-c^2 (3+m)\right ) (a+i a \tan (e+f x))^m}{f m (2+m)}-\frac {d^2 (d m+i c (4+m)) (a+i a \tan (e+f x))^{1+m}}{a f (1+m) (2+m)}+\frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (2+m)}+(c-i d)^3 \int (a+i a \tan (e+f x))^m \, dx \\ & = -\frac {2 d \left (d^2+i c d m-c^2 (3+m)\right ) (a+i a \tan (e+f x))^m}{f m (2+m)}-\frac {d^2 (d m+i c (4+m)) (a+i a \tan (e+f x))^{1+m}}{a f (1+m) (2+m)}+\frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (2+m)}+\frac {\left (a (i c+d)^3\right ) \text {Subst}\left (\int \frac {(a+x)^{-1+m}}{a-x} \, dx,x,i a \tan (e+f x)\right )}{f} \\ & = -\frac {2 d \left (d^2+i c d m-c^2 (3+m)\right ) (a+i a \tan (e+f x))^m}{f m (2+m)}+\frac {(i c+d)^3 \operatorname {Hypergeometric2F1}\left (1,m,1+m,\frac {1}{2} (1+i \tan (e+f x))\right ) (a+i a \tan (e+f x))^m}{2 f m}-\frac {d^2 (d m+i c (4+m)) (a+i a \tan (e+f x))^{1+m}}{a f (1+m) (2+m)}+\frac {d (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^2}{f (2+m)} \\ \end{align*}
Time = 2.27 (sec) , antiderivative size = 146, normalized size of antiderivative = 0.76 \[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=\frac {(a+i a \tan (e+f x))^m \left (-4 d (1+m) \left (d^2+i c d m-c^2 (3+m)\right )+(i c+d)^3 (1+m) (2+m) \operatorname {Hypergeometric2F1}\left (1,m,1+m,\frac {1}{2} (1+i \tan (e+f x))\right )+2 d^2 m (-i d m+c (4+m)) (-i+\tan (e+f x))+2 d m (1+m) (c+d \tan (e+f x))^2\right )}{2 f m (1+m) (2+m)} \]
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\[\int \left (a +i a \tan \left (f x +e \right )\right )^{m} \left (c +d \tan \left (f x +e \right )\right )^{3}d x\]
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\[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=\int { {\left (d \tan \left (f x + e\right ) + c\right )}^{3} {\left (i \, a \tan \left (f x + e\right ) + a\right )}^{m} \,d x } \]
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\[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=\int \left (i a \left (\tan {\left (e + f x \right )} - i\right )\right )^{m} \left (c + d \tan {\left (e + f x \right )}\right )^{3}\, dx \]
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\[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=\int { {\left (d \tan \left (f x + e\right ) + c\right )}^{3} {\left (i \, a \tan \left (f x + e\right ) + a\right )}^{m} \,d x } \]
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\[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=\int { {\left (d \tan \left (f x + e\right ) + c\right )}^{3} {\left (i \, a \tan \left (f x + e\right ) + a\right )}^{m} \,d x } \]
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Timed out. \[ \int (a+i a \tan (e+f x))^m (c+d \tan (e+f x))^3 \, dx=\int {\left (a+a\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )}^m\,{\left (c+d\,\mathrm {tan}\left (e+f\,x\right )\right )}^3 \,d x \]
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