Optimal. Leaf size=45 \[ \frac {2 \tan (e+f x) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};1-\sec (e+f x)\right )}{f \sqrt {\sec (e+f x)+1}} \]
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Rubi [A] time = 0.05, antiderivative size = 45, normalized size of antiderivative = 1.00, 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 65
Rule 3806
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*}
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Mathematica [A] time = 0.05, size = 45, normalized size = 1.00 \[ \frac {2 \tan (e+f x) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};1-\sec (e+f x)\right )}{f \sqrt {\sec (e+f x)+1}} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.59, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\sec \left (f x + e\right )^{n} \sqrt {\sec \left (f x + e\right ) + 1}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \sec \left (f x + e\right )^{n} \sqrt {\sec \left (f x + e\right ) + 1}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 1.08, size = 0, normalized size = 0.00 \[ \int \left (\sec ^{n}\left (f x +e \right )\right ) \sqrt {1+\sec \left (f x +e \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \sec \left (f x + e\right )^{n} \sqrt {\sec \left (f x + e\right ) + 1}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.02 \[ \int \sqrt {\frac {1}{\cos \left (e+f\,x\right )}+1}\,{\left (\frac {1}{\cos \left (e+f\,x\right )}\right )}^n \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \sqrt {\sec {\left (e + f x \right )} + 1} \sec ^{n}{\left (e + f x \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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