Optimal. Leaf size=64 \[ -\frac{\tan (e+f x) (d \sec (e+f x))^n \text{Hypergeometric2F1}\left (\frac{1}{2},n,n+1,\sec (e+f x)\right )}{f n \sqrt{1-\sec (e+f x)} \sqrt{\sec (e+f x)+1}} \]
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Rubi [A] time = 0.0566329, antiderivative size = 64, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.087, Rules used = {3806, 64} \[ -\frac{\tan (e+f x) (d \sec (e+f x))^n \, _2F_1\left (\frac{1}{2},n;n+1;\sec (e+f x)\right )}{f n \sqrt{1-\sec (e+f x)} \sqrt{\sec (e+f x)+1}} \]
Antiderivative was successfully verified.
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Rule 3806
Rule 64
Rubi steps
\begin{align*} \int (d \sec (e+f x))^n \sqrt{1+\sec (e+f x)} \, dx &=-\frac{(d \tan (e+f x)) \operatorname{Subst}\left (\int \frac{(d x)^{-1+n}}{\sqrt{1-x}} \, dx,x,\sec (e+f x)\right )}{f \sqrt{1-\sec (e+f x)} \sqrt{1+\sec (e+f x)}}\\ &=-\frac{\, _2F_1\left (\frac{1}{2},n;1+n;\sec (e+f x)\right ) (d \sec (e+f x))^n \tan (e+f x)}{f n \sqrt{1-\sec (e+f x)} \sqrt{1+\sec (e+f x)}}\\ \end{align*}
Mathematica [A] time = 0.0398213, size = 67, normalized size = 1.05 \[ \frac{2 \sin (e+f x) \sec ^{1-n}(e+f x) (d \sec (e+f x))^n \text{Hypergeometric2F1}\left (\frac{1}{2},1-n,\frac{3}{2},1-\sec (e+f x)\right )}{f \sqrt{\sec (e+f x)+1}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.173, size = 0, normalized size = 0. \begin{align*} \int \left ( d\sec \left ( fx+e \right ) \right ) ^{n}\sqrt{1+\sec \left ( fx+e \right ) }\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (d \sec \left (f x + e\right )\right )^{n} \sqrt{\sec \left (f x + e\right ) + 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\left (d \sec \left (f x + e\right )\right )^{n} \sqrt{\sec \left (f x + e\right ) + 1}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (d \sec{\left (e + f x \right )}\right )^{n} \sqrt{\sec{\left (e + f x \right )} + 1}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (d \sec \left (f x + e\right )\right )^{n} \sqrt{\sec \left (f x + e\right ) + 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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