Integrand size = 24, antiderivative size = 82 \[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\frac {i \operatorname {Hypergeometric2F1}\left (1,m,1+m,\frac {1}{2} (1+i \tan (c+d x))\right ) (a+i a \tan (c+d x))^m}{2 d m}-\frac {i (a+i a \tan (c+d x))^{1+m}}{a d (1+m)} \]
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Time = 0.08 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3624, 3562, 70} \[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\frac {i (a+i a \tan (c+d x))^m \operatorname {Hypergeometric2F1}\left (1,m,m+1,\frac {1}{2} (i \tan (c+d x)+1)\right )}{2 d m}-\frac {i (a+i a \tan (c+d x))^{m+1}}{a d (m+1)} \]
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Rule 70
Rule 3562
Rule 3624
Rubi steps \begin{align*} \text {integral}& = -\frac {i (a+i a \tan (c+d x))^{1+m}}{a d (1+m)}-\int (a+i a \tan (c+d x))^m \, dx \\ & = -\frac {i (a+i a \tan (c+d x))^{1+m}}{a d (1+m)}+\frac {(i a) \text {Subst}\left (\int \frac {(a+x)^{-1+m}}{a-x} \, dx,x,i a \tan (c+d x)\right )}{d} \\ & = \frac {i \operatorname {Hypergeometric2F1}\left (1,m,1+m,\frac {1}{2} (1+i \tan (c+d x))\right ) (a+i a \tan (c+d x))^m}{2 d m}-\frac {i (a+i a \tan (c+d x))^{1+m}}{a d (1+m)} \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.89 \[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\frac {(a+i a \tan (c+d x))^m \left (i (1+m) \operatorname {Hypergeometric2F1}\left (1,m,1+m,\frac {1}{2} (1+i \tan (c+d x))\right )+2 m (-i+\tan (c+d x))\right )}{2 d m (1+m)} \]
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\[\int \left (\tan ^{2}\left (d x +c \right )\right ) \left (a +i a \tan \left (d x +c \right )\right )^{m}d x\]
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\[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\int { {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{m} \tan \left (d x + c\right )^{2} \,d x } \]
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\[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\int \left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{m} \tan ^{2}{\left (c + d x \right )}\, dx \]
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\[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\int { {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{m} \tan \left (d x + c\right )^{2} \,d x } \]
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\[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\int { {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{m} \tan \left (d x + c\right )^{2} \,d x } \]
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Timed out. \[ \int \tan ^2(c+d x) (a+i a \tan (c+d x))^m \, dx=\int {\mathrm {tan}\left (c+d\,x\right )}^2\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^m \,d x \]
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