Integrand size = 22, antiderivative size = 90 \[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\frac {\sqrt {2} \operatorname {AppellF1}\left (\frac {1}{2}+m,1-n,\frac {1}{2},\frac {3}{2}+m,1-\sec (e+f x),\frac {1}{2} (1-\sec (e+f x))\right ) (a-a \sec (e+f x))^m \tan (e+f x)}{f (1+2 m) \sqrt {1+\sec (e+f x)}} \]
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Time = 0.14 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {3913, 3911, 138} \[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\frac {\sqrt {2} \tan (e+f x) (a-a \sec (e+f x))^m \operatorname {AppellF1}\left (m+\frac {1}{2},1-n,\frac {1}{2},m+\frac {3}{2},1-\sec (e+f x),\frac {1}{2} (1-\sec (e+f x))\right )}{f (2 m+1) \sqrt {\sec (e+f x)+1}} \]
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Rule 138
Rule 3911
Rule 3913
Rubi steps \begin{align*} \text {integral}& = \left ((1-\sec (e+f x))^{-m} (a-a \sec (e+f x))^m\right ) \int (1-\sec (e+f x))^m \sec ^n(e+f x) \, dx \\ & = \frac {\left ((1-\sec (e+f x))^{-\frac {1}{2}-m} (a-a \sec (e+f x))^m \tan (e+f x)\right ) \text {Subst}\left (\int \frac {(1-x)^{-1+n} x^{-\frac {1}{2}+m}}{\sqrt {2-x}} \, dx,x,1-\sec (e+f x)\right )}{f \sqrt {1+\sec (e+f x)}} \\ & = \frac {\sqrt {2} \operatorname {AppellF1}\left (\frac {1}{2}+m,1-n,\frac {1}{2},\frac {3}{2}+m,1-\sec (e+f x),\frac {1}{2} (1-\sec (e+f x))\right ) (a-a \sec (e+f x))^m \tan (e+f x)}{f (1+2 m) \sqrt {1+\sec (e+f x)}} \\ \end{align*}
\[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx \]
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\[\int \sec \left (f x +e \right )^{n} \left (a -a \sec \left (f x +e \right )\right )^{m}d x\]
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\[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\int { {\left (-a \sec \left (f x + e\right ) + a\right )}^{m} \sec \left (f x + e\right )^{n} \,d x } \]
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\[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\int \left (- a \left (\sec {\left (e + f x \right )} - 1\right )\right )^{m} \sec ^{n}{\left (e + f x \right )}\, dx \]
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\[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\int { {\left (-a \sec \left (f x + e\right ) + a\right )}^{m} \sec \left (f x + e\right )^{n} \,d x } \]
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\[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\int { {\left (-a \sec \left (f x + e\right ) + a\right )}^{m} \sec \left (f x + e\right )^{n} \,d x } \]
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Timed out. \[ \int \sec ^n(e+f x) (a-a \sec (e+f x))^m \, dx=\int {\left (a-\frac {a}{\cos \left (e+f\,x\right )}\right )}^m\,{\left (\frac {1}{\cos \left (e+f\,x\right )}\right )}^n \,d x \]
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