Optimal. Leaf size=378 \[ \frac {i (d \sec (e+f x))^{2/3}}{2 f (a+i a \tan (e+f x))^{4/3}}-\frac {x (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}+\frac {i \text {ArcTan}\left (\frac {\sqrt [3]{a}+2^{2/3} \sqrt [3]{a-i a \tan (e+f x)}}{\sqrt {3} \sqrt [3]{a}}\right ) (d \sec (e+f x))^{2/3}}{2^{2/3} \sqrt {3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log (\cos (e+f x)) (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a-i a \tan (e+f x)}\right ) (d \sec (e+f x))^{2/3}}{2\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}} \]
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Rubi [A]
time = 0.25, antiderivative size = 378, normalized size of antiderivative = 1.00, number of steps
used = 8, number of rules used = 8, integrand size = 30, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.267, Rules used = {3586, 3603,
3568, 44, 59, 631, 210, 31} \begin {gather*} \frac {i (d \sec (e+f x))^{2/3} \text {ArcTan}\left (\frac {\sqrt [3]{a}+2^{2/3} \sqrt [3]{a-i a \tan (e+f x)}}{\sqrt {3} \sqrt [3]{a}}\right )}{2^{2/3} \sqrt {3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {x (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i (d \sec (e+f x))^{2/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a-i a \tan (e+f x)}\right )}{2\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i (d \sec (e+f x))^{2/3} \log (\cos (e+f x))}{6\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}+\frac {i (d \sec (e+f x))^{2/3}}{2 f (a+i a \tan (e+f x))^{4/3}} \end {gather*}
Antiderivative was successfully verified.
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Rule 31
Rule 44
Rule 59
Rule 210
Rule 631
Rule 3568
Rule 3586
Rule 3603
Rubi steps
\begin {align*} \int \frac {(d \sec (e+f x))^{2/3}}{(a+i a \tan (e+f x))^{4/3}} \, dx &=\frac {(d \sec (e+f x))^{2/3} \int \frac {\sqrt [3]{a-i a \tan (e+f x)}}{a+i a \tan (e+f x)} \, dx}{\sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ &=\frac {(d \sec (e+f x))^{2/3} \int \cos ^2(e+f x) (a-i a \tan (e+f x))^{4/3} \, dx}{a^2 \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ &=\frac {\left (i a (d \sec (e+f x))^{2/3}\right ) \text {Subst}\left (\int \frac {1}{(a-x)^2 (a+x)^{2/3}} \, dx,x,-i a \tan (e+f x)\right )}{f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ &=\frac {i (d \sec (e+f x))^{2/3}}{2 f (a+i a \tan (e+f x))^{4/3}}+\frac {\left (i (d \sec (e+f x))^{2/3}\right ) \text {Subst}\left (\int \frac {1}{(a-x) (a+x)^{2/3}} \, dx,x,-i a \tan (e+f x)\right )}{3 f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ &=\frac {i (d \sec (e+f x))^{2/3}}{2 f (a+i a \tan (e+f x))^{4/3}}-\frac {x (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log (\cos (e+f x)) (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}+\frac {\left (i (d \sec (e+f x))^{2/3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [3]{2} \sqrt [3]{a}-x} \, dx,x,\sqrt [3]{a-i a \tan (e+f x)}\right )}{2\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}+\frac {\left (i (d \sec (e+f x))^{2/3}\right ) \text {Subst}\left (\int \frac {1}{2^{2/3} a^{2/3}+\sqrt [3]{2} \sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{a-i a \tan (e+f x)}\right )}{2 \sqrt [3]{2} \sqrt [3]{a} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ &=\frac {i (d \sec (e+f x))^{2/3}}{2 f (a+i a \tan (e+f x))^{4/3}}-\frac {x (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log (\cos (e+f x)) (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a-i a \tan (e+f x)}\right ) (d \sec (e+f x))^{2/3}}{2\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {\left (i (d \sec (e+f x))^{2/3}\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+\frac {2^{2/3} \sqrt [3]{a-i a \tan (e+f x)}}{\sqrt [3]{a}}\right )}{2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ &=\frac {i (d \sec (e+f x))^{2/3}}{2 f (a+i a \tan (e+f x))^{4/3}}-\frac {x (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}+\frac {i \tan ^{-1}\left (\frac {1+\frac {2^{2/3} \sqrt [3]{a-i a \tan (e+f x)}}{\sqrt [3]{a}}}{\sqrt {3}}\right ) (d \sec (e+f x))^{2/3}}{2^{2/3} \sqrt {3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log (\cos (e+f x)) (d \sec (e+f x))^{2/3}}{6\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}-\frac {i \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a-i a \tan (e+f x)}\right ) (d \sec (e+f x))^{2/3}}{2\ 2^{2/3} a^{2/3} f \sqrt [3]{a-i a \tan (e+f x)} \sqrt [3]{a+i a \tan (e+f x)}}\\ \end {align*}
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Mathematica [A]
time = 1.39, size = 220, normalized size = 0.58 \begin {gather*} \frac {e^{-i (e+f x)} \left (3 i+3 i e^{2 i (e+f x)}-2 e^{2 i (e+f x)} \sqrt [3]{1+e^{2 i (e+f x)}} f x-2 i \sqrt {3} e^{2 i (e+f x)} \sqrt [3]{1+e^{2 i (e+f x)}} \text {ArcTan}\left (\frac {1+2 \sqrt [3]{1+e^{2 i (e+f x)}}}{\sqrt {3}}\right )-3 i e^{2 i (e+f x)} \sqrt [3]{1+e^{2 i (e+f x)}} \log \left (1-\sqrt [3]{1+e^{2 i (e+f x)}}\right )\right ) (d \sec (e+f x))^{5/3}}{12 d f (a+i a \tan (e+f x))^{4/3}} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.33, size = 0, normalized size = 0.00 \[\int \frac {\left (d \sec \left (f x +e \right )\right )^{\frac {2}{3}}}{\left (a +i a \tan \left (f x +e \right )\right )^{\frac {4}{3}}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Both result and optimal contain complex but leaf count of result is larger than
twice the leaf count of optimal. 2045 vs. \(2 (296) = 592\).
time = 0.60, size = 2045, normalized size = 5.41 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.41, size = 542, normalized size = 1.43 \begin {gather*} \frac {{\left (4 \, a^{2} f \left (\frac {i \, d^{2}}{108 \, a^{4} f^{3}}\right )^{\frac {1}{3}} e^{\left (4 i \, f x + 4 i \, e\right )} \log \left (-2 \, {\left (6 i \, a^{2} f \left (\frac {i \, d^{2}}{108 \, a^{4} f^{3}}\right )^{\frac {1}{3}} e^{\left (2 i \, f x + 2 i \, e\right )} - 2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} \left (\frac {d}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} {\left (e^{\left (2 i \, f x + 2 i \, e\right )} + 1\right )} e^{\left (2 i \, f x + 2 i \, e\right )}\right )} e^{\left (-2 i \, f x - 2 i \, e\right )}\right ) + 2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} \left (\frac {d}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} {\left (i \, e^{\left (4 i \, f x + 4 i \, e\right )} + 2 i \, e^{\left (2 i \, f x + 2 i \, e\right )} + i\right )} e^{\left (2 i \, f x + 2 i \, e\right )} - 2 \, {\left (-i \, \sqrt {3} a^{2} f + a^{2} f\right )} \left (\frac {i \, d^{2}}{108 \, a^{4} f^{3}}\right )^{\frac {1}{3}} e^{\left (4 i \, f x + 4 i \, e\right )} \log \left (2 \, {\left (2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} \left (\frac {d}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} {\left (e^{\left (2 i \, f x + 2 i \, e\right )} + 1\right )} e^{\left (2 i \, f x + 2 i \, e\right )} + 3 \, {\left (\sqrt {3} a^{2} f + i \, a^{2} f\right )} \left (\frac {i \, d^{2}}{108 \, a^{4} f^{3}}\right )^{\frac {1}{3}} e^{\left (2 i \, f x + 2 i \, e\right )}\right )} e^{\left (-2 i \, f x - 2 i \, e\right )}\right ) - 2 \, {\left (i \, \sqrt {3} a^{2} f + a^{2} f\right )} \left (\frac {i \, d^{2}}{108 \, a^{4} f^{3}}\right )^{\frac {1}{3}} e^{\left (4 i \, f x + 4 i \, e\right )} \log \left (2 \, {\left (2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} \left (\frac {d}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}\right )^{\frac {2}{3}} {\left (e^{\left (2 i \, f x + 2 i \, e\right )} + 1\right )} e^{\left (2 i \, f x + 2 i \, e\right )} - 3 \, {\left (\sqrt {3} a^{2} f - i \, a^{2} f\right )} \left (\frac {i \, d^{2}}{108 \, a^{4} f^{3}}\right )^{\frac {1}{3}} e^{\left (2 i \, f x + 2 i \, e\right )}\right )} e^{\left (-2 i \, f x - 2 i \, e\right )}\right )\right )} e^{\left (-4 i \, f x - 4 i \, e\right )}}{4 \, a^{2} f} \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 \frac {\left (d \sec {\left (e + f x \right )}\right )^{\frac {2}{3}}}{\left (i a \left (\tan {\left (e + f x \right )} - i\right )\right )^{\frac {4}{3}}}\, 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 = -0.00 \begin {gather*} \int \frac {{\left (\frac {d}{\cos \left (e+f\,x\right )}\right )}^{2/3}}{{\left (a+a\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )}^{4/3}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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