Integrand size = 34, antiderivative size = 205 \[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=-\frac {a^3 \left (A \left (15+11 m+2 m^2\right )-i B \left (17+11 m+2 m^2\right )\right ) \tan ^{1+m}(c+d x)}{d (1+m) (2+m) (3+m)}+\frac {4 a^3 (A-i B) \operatorname {Hypergeometric2F1}(1,1+m,2+m,i \tan (c+d x)) \tan ^{1+m}(c+d x)}{d (1+m)}+\frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}-\frac {(A (3+m)-i B (5+m)) \tan ^{1+m}(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{d (2+m) (3+m)} \]
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Time = 0.72 (sec) , antiderivative size = 205, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.147, Rules used = {3675, 3673, 3618, 12, 66} \[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=\frac {4 a^3 (A-i B) \tan ^{m+1}(c+d x) \operatorname {Hypergeometric2F1}(1,m+1,m+2,i \tan (c+d x))}{d (m+1)}-\frac {a^3 \left (A \left (2 m^2+11 m+15\right )-i B \left (2 m^2+11 m+17\right )\right ) \tan ^{m+1}(c+d x)}{d (m+1) (m+2) (m+3)}-\frac {(A (m+3)-i B (m+5)) \left (a^3+i a^3 \tan (c+d x)\right ) \tan ^{m+1}(c+d x)}{d (m+2) (m+3)}+\frac {i a B (a+i a \tan (c+d x))^2 \tan ^{m+1}(c+d x)}{d (m+3)} \]
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Rule 12
Rule 66
Rule 3618
Rule 3673
Rule 3675
Rubi steps \begin{align*} \text {integral}& = \frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}+\frac {\int \tan ^m(c+d x) (a+i a \tan (c+d x))^2 (-a (i B (1+m)-A (3+m))+a (i A (3+m)+B (5+m)) \tan (c+d x)) \, dx}{3+m} \\ & = \frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}-\frac {(A (3+m)-i B (5+m)) \tan ^{1+m}(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{d (2+m) (3+m)}+\frac {\int \tan ^m(c+d x) (a+i a \tan (c+d x)) \left (-a^2 \left (i B \left (7+9 m+2 m^2\right )-A \left (9+9 m+2 m^2\right )\right )+a^2 \left (i A \left (15+11 m+2 m^2\right )+B \left (17+11 m+2 m^2\right )\right ) \tan (c+d x)\right ) \, dx}{6+5 m+m^2} \\ & = -\frac {a^3 \left (A \left (15+11 m+2 m^2\right )-i B \left (17+11 m+2 m^2\right )\right ) \tan ^{1+m}(c+d x)}{d (1+m) \left (6+5 m+m^2\right )}+\frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}-\frac {(A (3+m)-i B (5+m)) \tan ^{1+m}(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{d (2+m) (3+m)}+\frac {\int \tan ^m(c+d x) \left (4 a^3 (A-i B) (2+m) (3+m)+4 a^3 (i A+B) (2+m) (3+m) \tan (c+d x)\right ) \, dx}{6+5 m+m^2} \\ & = -\frac {a^3 \left (A \left (15+11 m+2 m^2\right )-i B \left (17+11 m+2 m^2\right )\right ) \tan ^{1+m}(c+d x)}{d (1+m) \left (6+5 m+m^2\right )}+\frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}-\frac {(A (3+m)-i B (5+m)) \tan ^{1+m}(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{d (2+m) (3+m)}+\frac {\left (16 i a^6 (A-i B)^2 (2+m) (3+m)\right ) \text {Subst}\left (\int \frac {4^{-m} \left (\frac {x}{a^3 (i A+B) (2+m) (3+m)}\right )^m}{16 a^6 (i A+B)^2 (2+m)^2 (3+m)^2+4 a^3 (A-i B) (2+m) (3+m) x} \, dx,x,4 a^3 (i A+B) (2+m) (3+m) \tan (c+d x)\right )}{d} \\ & = -\frac {a^3 \left (A \left (15+11 m+2 m^2\right )-i B \left (17+11 m+2 m^2\right )\right ) \tan ^{1+m}(c+d x)}{d (1+m) \left (6+5 m+m^2\right )}+\frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}-\frac {(A (3+m)-i B (5+m)) \tan ^{1+m}(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{d (2+m) (3+m)}+\frac {\left (i 4^{2-m} a^6 (A-i B)^2 (2+m) (3+m)\right ) \text {Subst}\left (\int \frac {\left (\frac {x}{a^3 (i A+B) (2+m) (3+m)}\right )^m}{16 a^6 (i A+B)^2 (2+m)^2 (3+m)^2+4 a^3 (A-i B) (2+m) (3+m) x} \, dx,x,4 a^3 (i A+B) (2+m) (3+m) \tan (c+d x)\right )}{d} \\ & = -\frac {a^3 \left (A \left (15+11 m+2 m^2\right )-i B \left (17+11 m+2 m^2\right )\right ) \tan ^{1+m}(c+d x)}{d (1+m) \left (6+5 m+m^2\right )}+\frac {4 a^3 (A-i B) \operatorname {Hypergeometric2F1}(1,1+m,2+m,i \tan (c+d x)) \tan ^{1+m}(c+d x)}{d (1+m)}+\frac {i a B \tan ^{1+m}(c+d x) (a+i a \tan (c+d x))^2}{d (3+m)}-\frac {(A (3+m)-i B (5+m)) \tan ^{1+m}(c+d x) \left (a^3+i a^3 \tan (c+d x)\right )}{d (2+m) (3+m)} \\ \end{align*}
Time = 2.55 (sec) , antiderivative size = 119, normalized size of antiderivative = 0.58 \[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=\frac {a^3 \tan ^{1+m}(c+d x) \left (\frac {(A-i B) (-3 (2+m)+4 (2+m) \operatorname {Hypergeometric2F1}(1,1+m,2+m,i \tan (c+d x))-i (1+m) \tan (c+d x))}{(1+m) (2+m)}+i B \left (\frac {1}{1+m}+\frac {2 i \tan (c+d x)}{2+m}-\frac {\tan ^2(c+d x)}{3+m}\right )\right )}{d} \]
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\[\int \left (\tan ^{m}\left (d x +c \right )\right ) \left (a +i a \tan \left (d x +c \right )\right )^{3} \left (A +B \tan \left (d x +c \right )\right )d x\]
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\[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=\int { {\left (B \tan \left (d x + c\right ) + A\right )} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{3} \tan \left (d x + c\right )^{m} \,d x } \]
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\[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=- i a^{3} \left (\int i A \tan ^{m}{\left (c + d x \right )}\, dx + \int \left (- 3 A \tan {\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\right )\, dx + \int A \tan ^{3}{\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\, dx + \int \left (- 3 B \tan ^{2}{\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\right )\, dx + \int B \tan ^{4}{\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\, dx + \int \left (- 3 i A \tan ^{2}{\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\right )\, dx + \int i B \tan {\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\, dx + \int \left (- 3 i B \tan ^{3}{\left (c + d x \right )} \tan ^{m}{\left (c + d x \right )}\right )\, dx\right ) \]
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\[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=\int { {\left (B \tan \left (d x + c\right ) + A\right )} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{3} \tan \left (d x + c\right )^{m} \,d x } \]
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\[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=\int { {\left (B \tan \left (d x + c\right ) + A\right )} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{3} \tan \left (d x + c\right )^{m} \,d x } \]
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Timed out. \[ \int \tan ^m(c+d x) (a+i a \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx=\int {\mathrm {tan}\left (c+d\,x\right )}^m\,\left (A+B\,\mathrm {tan}\left (c+d\,x\right )\right )\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^3 \,d x \]
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