Optimal. Leaf size=108 \[ \frac {2 a^2 (1+4 n) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};1+\sec (e+f x)\right ) \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}}+\frac {2 a^2 (-\sec (e+f x))^n \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}} \]
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Rubi [A]
time = 0.11, antiderivative size = 108, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {3899, 21, 3891,
67} \begin {gather*} \frac {2 a^2 (4 n+1) \tan (e+f x) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};\sec (e+f x)+1\right )}{f (2 n+1) \sqrt {a-a \sec (e+f x)}}+\frac {2 a^2 \tan (e+f x) (-\sec (e+f x))^n}{f (2 n+1) \sqrt {a-a \sec (e+f x)}} \end {gather*}
Antiderivative was successfully verified.
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Rule 21
Rule 67
Rule 3891
Rule 3899
Rubi steps
\begin {align*} \int (-\sec (e+f x))^n (a-a \sec (e+f x))^{3/2} \, dx &=\frac {2 a^2 (-\sec (e+f x))^n \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}}-\frac {(2 a) \int \frac {(-\sec (e+f x))^n \left (-a \left (\frac {1}{2}+2 n\right )+a \left (\frac {1}{2}+2 n\right ) \sec (e+f x)\right )}{\sqrt {a-a \sec (e+f x)}} \, dx}{1+2 n}\\ &=\frac {2 a^2 (-\sec (e+f x))^n \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}}+\frac {(a (1+4 n)) \int (-\sec (e+f x))^n \sqrt {a-a \sec (e+f x)} \, dx}{1+2 n}\\ &=\frac {2 a^2 (-\sec (e+f x))^n \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}}+\frac {\left (a^3 (1+4 n) \tan (e+f x)\right ) \text {Subst}\left (\int \frac {(-x)^{-1+n}}{\sqrt {a+a x}} \, dx,x,\sec (e+f x)\right )}{f (1+2 n) \sqrt {a-a \sec (e+f x)} \sqrt {a+a \sec (e+f x)}}\\ &=\frac {2 a^2 (1+4 n) \, _2F_1\left (\frac {1}{2},1-n;\frac {3}{2};1+\sec (e+f x)\right ) \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}}+\frac {2 a^2 (-\sec (e+f x))^n \tan (e+f x)}{f (1+2 n) \sqrt {a-a \sec (e+f x)}}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 15.70, size = 377, normalized size = 3.49 \begin {gather*} \frac {2^{-\frac {3}{2}+n} e^{\frac {1}{2} i (e+f (1-2 n) x)} \left (\frac {e^{i (e+f x)}}{1+e^{2 i (e+f x)}}\right )^{-\frac {1}{2}+n} \left (1+e^{2 i (e+f x)}\right )^{-\frac {1}{2}+n} \csc ^3\left (\frac {1}{2} (e+f x)\right ) \left (-e^{i f n x} \left (6+11 n+6 n^2+n^3\right ) \, _2F_1\left (\frac {n}{2},\frac {3}{2}+n;\frac {2+n}{2};-e^{2 i (e+f x)}\right )+3 e^{i (e+f (1+n) x)} n \left (6+5 n+n^2\right ) \, _2F_1\left (\frac {1+n}{2},\frac {3}{2}+n;\frac {3+n}{2};-e^{2 i (e+f x)}\right )+e^{2 i e} n (1+n) \left (-3 e^{i f (2+n) x} (3+n) \, _2F_1\left (\frac {3}{2}+n,\frac {2+n}{2};\frac {4+n}{2};-e^{2 i (e+f x)}\right )+e^{i (e+f (3+n) x)} (2+n) \, _2F_1\left (\frac {3}{2}+n,\frac {3+n}{2};\frac {5+n}{2};-e^{2 i (e+f x)}\right )\right )\right ) (-\sec (e+f x))^n \sec ^{-\frac {3}{2}-n}(e+f x) (a-a \sec (e+f x))^{3/2}}{f n (1+n) (2+n) (3+n)} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.09, size = 0, normalized size = 0.00 \[\int \left (-\sec \left (f x +e \right )\right )^{n} \left (a -a \sec \left (f x +e \right )\right )^{\frac {3}{2}}\, dx\]
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
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 \begin {gather*} \int \left (- \sec {\left (e + f x \right )}\right )^{n} \left (- a \left (\sec {\left (e + f x \right )} - 1\right )\right )^{\frac {3}{2}}\, dx \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int {\left (a-\frac {a}{\cos \left (e+f\,x\right )}\right )}^{3/2}\,{\left (-\frac {1}{\cos \left (e+f\,x\right )}\right )}^n \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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