Integrand size = 26, antiderivative size = 61 \[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=\frac {a \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {c+d \tan (e+f x)}{c-i d}\right ) (c+d \tan (e+f x))^{1+n}}{(i c+d) f (1+n)} \]
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Time = 0.08 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {3618, 70} \[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=\frac {a (c+d \tan (e+f x))^{n+1} \operatorname {Hypergeometric2F1}\left (1,n+1,n+2,\frac {c+d \tan (e+f x)}{c-i d}\right )}{f (n+1) (d+i c)} \]
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Rule 70
Rule 3618
Rubi steps \begin{align*} \text {integral}& = \frac {\left (i a^2\right ) \text {Subst}\left (\int \frac {\left (c-\frac {i d x}{a}\right )^n}{-a^2+a x} \, dx,x,i a \tan (e+f x)\right )}{f} \\ & = \frac {a \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {c+d \tan (e+f x)}{c-i d}\right ) (c+d \tan (e+f x))^{1+n}}{(i c+d) f (1+n)} \\ \end{align*}
Time = 0.33 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.05 \[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=-\frac {i a \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {c+d \tan (e+f x)}{c-i d}\right ) (c+d \tan (e+f x))^{1+n}}{(c-i d) f (1+n)} \]
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\[\int \left (a +i a \tan \left (f x +e \right )\right ) \left (c +d \tan \left (f x +e \right )\right )^{n}d x\]
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\[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=\int { {\left (i \, a \tan \left (f x + e\right ) + a\right )} {\left (d \tan \left (f x + e\right ) + c\right )}^{n} \,d x } \]
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\[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=i a \left (\int \left (- i \left (c + d \tan {\left (e + f x \right )}\right )^{n}\right )\, dx + \int \left (c + d \tan {\left (e + f x \right )}\right )^{n} \tan {\left (e + f x \right )}\, dx\right ) \]
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\[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=\int { {\left (i \, a \tan \left (f x + e\right ) + a\right )} {\left (d \tan \left (f x + e\right ) + c\right )}^{n} \,d x } \]
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\[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=\int { {\left (i \, a \tan \left (f x + e\right ) + a\right )} {\left (d \tan \left (f x + e\right ) + c\right )}^{n} \,d x } \]
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Timed out. \[ \int (a+i a \tan (e+f x)) (c+d \tan (e+f x))^n \, dx=\int \left (a+a\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )\,{\left (c+d\,\mathrm {tan}\left (e+f\,x\right )\right )}^n \,d x \]
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