Optimal. Leaf size=45 \[ \frac{2 \tan (e+f x) \text{Hypergeometric2F1}\left (\frac{1}{2},1-n,\frac{3}{2},1-\sec (e+f x)\right )}{f \sqrt{\sec (e+f x)+1}} \]
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Rubi [A] time = 0.0517975, antiderivative size = 45, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.095, Rules used = {3806, 65} \[ \frac{2 \tan (e+f x) \, _2F_1\left (\frac{1}{2},1-n;\frac{3}{2};1-\sec (e+f x)\right )}{f \sqrt{\sec (e+f x)+1}} \]
Antiderivative was successfully verified.
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Rule 3806
Rule 65
Rubi steps
\begin{align*} \int \sec ^n(e+f x) \sqrt{1+\sec (e+f x)} \, dx &=-\frac{\tan (e+f x) \operatorname{Subst}\left (\int \frac{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{2 \, _2F_1\left (\frac{1}{2},1-n;\frac{3}{2};1-\sec (e+f x)\right ) \tan (e+f x)}{f \sqrt{1+\sec (e+f x)}}\\ \end{align*}
Mathematica [A] time = 0.0372123, size = 45, normalized size = 1. \[ \frac{2 \tan (e+f x) \text{Hypergeometric2F1}\left (\frac{1}{2},1-n,\frac{3}{2},1-\sec (e+f x)\right )}{f \sqrt{\sec (e+f x)+1}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.178, size = 0, normalized size = 0. \begin{align*} \int \left ( \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 \sec \left (f x + e\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 (\sec \left (f x + e\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 \sqrt{\sec{\left (e + f x \right )} + 1} \sec ^{n}{\left (e + f x \right )}\, 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 \sec \left (f x + e\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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