Integrand size = 28, antiderivative size = 89 \[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\frac {a \operatorname {AppellF1}\left (1+n,-\frac {1}{2},1,2+n,-i \tan (e+f x),i \tan (e+f x)\right ) (d \tan (e+f x))^{1+n} \sqrt {a+i a \tan (e+f x)}}{d f (1+n) \sqrt {1+i \tan (e+f x)}} \]
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Time = 0.16 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.107, Rules used = {3645, 140, 138} \[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\frac {a \sqrt {a+i a \tan (e+f x)} \operatorname {AppellF1}\left (n+1,-\frac {1}{2},1,n+2,-i \tan (e+f x),i \tan (e+f x)\right ) (d \tan (e+f x))^{n+1}}{d f (n+1) \sqrt {1+i \tan (e+f x)}} \]
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Rule 138
Rule 140
Rule 3645
Rubi steps \begin{align*} \text {integral}& = \frac {\left (i a^2\right ) \text {Subst}\left (\int \frac {\left (-\frac {i d x}{a}\right )^n \sqrt {a+x}}{-a^2+a x} \, dx,x,i a \tan (e+f x)\right )}{f} \\ & = \frac {\left (i a^2 \sqrt {a+i a \tan (e+f x)}\right ) \text {Subst}\left (\int \frac {\left (-\frac {i d x}{a}\right )^n \sqrt {1+\frac {x}{a}}}{-a^2+a x} \, dx,x,i a \tan (e+f x)\right )}{f \sqrt {1+i \tan (e+f x)}} \\ & = \frac {a \operatorname {AppellF1}\left (1+n,-\frac {1}{2},1,2+n,-i \tan (e+f x),i \tan (e+f x)\right ) (d \tan (e+f x))^{1+n} \sqrt {a+i a \tan (e+f x)}}{d f (1+n) \sqrt {1+i \tan (e+f x)}} \\ \end{align*}
\[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx \]
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\[\int \left (d \tan \left (f x +e \right )\right )^{n} \left (a +i a \tan \left (f x +e \right )\right )^{\frac {3}{2}}d x\]
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\[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\int { {\left (i \, a \tan \left (f x + e\right ) + a\right )}^{\frac {3}{2}} \left (d \tan \left (f x + e\right )\right )^{n} \,d x } \]
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\[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\int \left (d \tan {\left (e + f x \right )}\right )^{n} \left (i a \left (\tan {\left (e + f x \right )} - i\right )\right )^{\frac {3}{2}}\, dx \]
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\[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\int { {\left (i \, a \tan \left (f x + e\right ) + a\right )}^{\frac {3}{2}} \left (d \tan \left (f x + e\right )\right )^{n} \,d x } \]
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\[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\int { {\left (i \, a \tan \left (f x + e\right ) + a\right )}^{\frac {3}{2}} \left (d \tan \left (f x + e\right )\right )^{n} \,d x } \]
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Timed out. \[ \int (d \tan (e+f x))^n (a+i a \tan (e+f x))^{3/2} \, dx=\int {\left (d\,\mathrm {tan}\left (e+f\,x\right )\right )}^n\,{\left (a+a\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )}^{3/2} \,d x \]
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