Integrand size = 39, antiderivative size = 154 \[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\frac {C \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\frac {(A-C) \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (1+m+n),\frac {1}{2} (3+m+n),-\tan ^2(c+d x)\right ) \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\frac {B \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (2+m+n),\frac {1}{2} (4+m+n),-\tan ^2(c+d x)\right ) \tan ^{2+m}(c+d x) (b \tan (c+d x))^n}{d (2+m+n)} \]
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Time = 0.17 (sec) , antiderivative size = 154, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.128, Rules used = {20, 3711, 3619, 3557, 371} \[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\frac {(A-C) \tan ^{m+1}(c+d x) (b \tan (c+d x))^n \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (m+n+1),\frac {1}{2} (m+n+3),-\tan ^2(c+d x)\right )}{d (m+n+1)}+\frac {B \tan ^{m+2}(c+d x) (b \tan (c+d x))^n \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (m+n+2),\frac {1}{2} (m+n+4),-\tan ^2(c+d x)\right )}{d (m+n+2)}+\frac {C \tan ^{m+1}(c+d x) (b \tan (c+d x))^n}{d (m+n+1)} \]
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Rule 20
Rule 371
Rule 3557
Rule 3619
Rule 3711
Rubi steps \begin{align*} \text {integral}& = \left (\tan ^{-n}(c+d x) (b \tan (c+d x))^n\right ) \int \tan ^{m+n}(c+d x) \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx \\ & = \frac {C \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\left (\tan ^{-n}(c+d x) (b \tan (c+d x))^n\right ) \int \tan ^{m+n}(c+d x) (A-C+B \tan (c+d x)) \, dx \\ & = \frac {C \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\left (B \tan ^{-n}(c+d x) (b \tan (c+d x))^n\right ) \int \tan ^{1+m+n}(c+d x) \, dx+\left ((A-C) \tan ^{-n}(c+d x) (b \tan (c+d x))^n\right ) \int \tan ^{m+n}(c+d x) \, dx \\ & = \frac {C \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\frac {\left (B \tan ^{-n}(c+d x) (b \tan (c+d x))^n\right ) \text {Subst}\left (\int \frac {x^{1+m+n}}{1+x^2} \, dx,x,\tan (c+d x)\right )}{d}+\frac {\left ((A-C) \tan ^{-n}(c+d x) (b \tan (c+d x))^n\right ) \text {Subst}\left (\int \frac {x^{m+n}}{1+x^2} \, dx,x,\tan (c+d x)\right )}{d} \\ & = \frac {C \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\frac {(A-C) \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (1+m+n),\frac {1}{2} (3+m+n),-\tan ^2(c+d x)\right ) \tan ^{1+m}(c+d x) (b \tan (c+d x))^n}{d (1+m+n)}+\frac {B \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (2+m+n),\frac {1}{2} (4+m+n),-\tan ^2(c+d x)\right ) \tan ^{2+m}(c+d x) (b \tan (c+d x))^n}{d (2+m+n)} \\ \end{align*}
Time = 0.42 (sec) , antiderivative size = 115, normalized size of antiderivative = 0.75 \[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\frac {\tan ^{1+m}(c+d x) (b \tan (c+d x))^n \left (\frac {C}{1+m+n}+\frac {(A-C) \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (1+m+n),\frac {1}{2} (3+m+n),-\tan ^2(c+d x)\right )}{1+m+n}+\frac {B \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (2+m+n),\frac {1}{2} (4+m+n),-\tan ^2(c+d x)\right ) \tan (c+d x)}{2+m+n}\right )}{d} \]
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\[\int \tan \left (d x +c \right )^{m} \left (b \tan \left (d x +c \right )\right )^{n} \left (A +B \tan \left (d x +c \right )+C \tan \left (d x +c \right )^{2}\right )d x\]
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\[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\int { {\left (C \tan \left (d x + c\right )^{2} + B \tan \left (d x + c\right ) + A\right )} \left (b \tan \left (d x + c\right )\right )^{n} \tan \left (d x + c\right )^{m} \,d x } \]
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\[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\int \left (b \tan {\left (c + d x \right )}\right )^{n} \left (A + B \tan {\left (c + d x \right )} + C \tan ^{2}{\left (c + d x \right )}\right ) \tan ^{m}{\left (c + d x \right )}\, dx \]
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\[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\int { {\left (C \tan \left (d x + c\right )^{2} + B \tan \left (d x + c\right ) + A\right )} \left (b \tan \left (d x + c\right )\right )^{n} \tan \left (d x + c\right )^{m} \,d x } \]
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\[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\int { {\left (C \tan \left (d x + c\right )^{2} + B \tan \left (d x + c\right ) + A\right )} \left (b \tan \left (d x + c\right )\right )^{n} \tan \left (d x + c\right )^{m} \,d x } \]
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Timed out. \[ \int \tan ^m(c+d x) (b \tan (c+d x))^n \left (A+B \tan (c+d x)+C \tan ^2(c+d x)\right ) \, dx=\int {\mathrm {tan}\left (c+d\,x\right )}^m\,{\left (b\,\mathrm {tan}\left (c+d\,x\right )\right )}^n\,\left (C\,{\mathrm {tan}\left (c+d\,x\right )}^2+B\,\mathrm {tan}\left (c+d\,x\right )+A\right ) \,d x \]
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