Optimal. Leaf size=85 \[ \frac{3 i \sqrt [6]{1+i \tan (c+d x)} (e \sec (c+d x))^{2/3} \text{Hypergeometric2F1}\left (\frac{1}{3},\frac{7}{6},\frac{4}{3},\frac{1}{2} (1-i \tan (c+d x))\right )}{2 \sqrt [6]{2} d \sqrt{a+i a \tan (c+d x)}} \]
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Rubi [A] time = 0.190387, antiderivative size = 85, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 30, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {3505, 3523, 70, 69} \[ \frac{3 i \sqrt [6]{1+i \tan (c+d x)} (e \sec (c+d x))^{2/3} \text{Hypergeometric2F1}\left (\frac{1}{3},\frac{7}{6},\frac{4}{3},\frac{1}{2} (1-i \tan (c+d x))\right )}{2 \sqrt [6]{2} d \sqrt{a+i a \tan (c+d x)}} \]
Antiderivative was successfully verified.
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Rule 3505
Rule 3523
Rule 70
Rule 69
Rubi steps
\begin{align*} \int \frac{(e \sec (c+d x))^{2/3}}{\sqrt{a+i a \tan (c+d x)}} \, dx &=\frac{(e \sec (c+d x))^{2/3} \int \frac{\sqrt [3]{a-i a \tan (c+d x)}}{\sqrt [6]{a+i a \tan (c+d x)}} \, dx}{\sqrt [3]{a-i a \tan (c+d x)} \sqrt [3]{a+i a \tan (c+d x)}}\\ &=\frac{\left (a^2 (e \sec (c+d x))^{2/3}\right ) \operatorname{Subst}\left (\int \frac{1}{(a-i a x)^{2/3} (a+i a x)^{7/6}} \, dx,x,\tan (c+d x)\right )}{d \sqrt [3]{a-i a \tan (c+d x)} \sqrt [3]{a+i a \tan (c+d x)}}\\ &=\frac{\left (a (e \sec (c+d x))^{2/3} \sqrt [6]{\frac{a+i a \tan (c+d x)}{a}}\right ) \operatorname{Subst}\left (\int \frac{1}{\left (\frac{1}{2}+\frac{i x}{2}\right )^{7/6} (a-i a x)^{2/3}} \, dx,x,\tan (c+d x)\right )}{2 \sqrt [6]{2} d \sqrt [3]{a-i a \tan (c+d x)} \sqrt{a+i a \tan (c+d x)}}\\ &=\frac{3 i \, _2F_1\left (\frac{1}{3},\frac{7}{6};\frac{4}{3};\frac{1}{2} (1-i \tan (c+d x))\right ) (e \sec (c+d x))^{2/3} \sqrt [6]{1+i \tan (c+d x)}}{2 \sqrt [6]{2} d \sqrt{a+i a \tan (c+d x)}}\\ \end{align*}
Mathematica [A] time = 0.428968, size = 116, normalized size = 1.36 \[ \frac{3 i \sqrt [6]{2} \sqrt [6]{1+e^{2 i (c+d x)}} \left (\frac{e e^{i (c+d x)}}{1+e^{2 i (c+d x)}}\right )^{2/3} \text{Hypergeometric2F1}\left (-\frac{1}{6},\frac{1}{6},\frac{5}{6},-e^{2 i (c+d x)}\right )}{d \sqrt{\frac{a e^{2 i (c+d x)}}{1+e^{2 i (c+d x)}}}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.448, size = 0, normalized size = 0. \begin{align*} \int{ \left ( e\sec \left ( dx+c \right ) \right ) ^{{\frac{2}{3}}}{\frac{1}{\sqrt{a+ia\tan \left ( dx+c \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 \frac{\left (e \sec \left (d x + c\right )\right )^{\frac{2}{3}}}{\sqrt{i \, a \tan \left (d x + c\right ) + a}}\,{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*} \frac{2^{\frac{1}{6}} \sqrt{\frac{a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \left (\frac{e}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac{2}{3}}{\left (3 i \, e^{\left (4 i \, d x + 4 i \, c\right )} + 6 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + 3 i\right )} e^{\left (\frac{5}{3} i \, d x + \frac{5}{3} i \, c\right )} +{\left (a d e^{\left (4 i \, d x + 4 i \, c\right )} - 2 \, a d e^{\left (3 i \, d x + 3 i \, c\right )} + a d e^{\left (2 i \, d x + 2 i \, c\right )}\right )}{\rm integral}\left (\frac{2^{\frac{1}{6}} \sqrt{\frac{a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \left (\frac{e}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac{2}{3}}{\left (i \, e^{\left (4 i \, d x + 4 i \, c\right )} + 7 i \, e^{\left (3 i \, d x + 3 i \, c\right )} + 5 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + 7 i \, e^{\left (i \, d x + i \, c\right )} + 4 i\right )} e^{\left (\frac{5}{3} i \, d x + \frac{5}{3} i \, c\right )}}{a d e^{\left (5 i \, d x + 5 i \, c\right )} - 3 \, a d e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, a d e^{\left (3 i \, d x + 3 i \, c\right )} - a d e^{\left (2 i \, d x + 2 i \, c\right )}}, x\right )}{a d e^{\left (4 i \, d x + 4 i \, c\right )} - 2 \, a d e^{\left (3 i \, d x + 3 i \, c\right )} + a d e^{\left (2 i \, d x + 2 i \, c\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 \frac{\left (e \sec{\left (c + d x \right )}\right )^{\frac{2}{3}}}{\sqrt{a \left (i \tan{\left (c + d x \right )} + 1\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 \frac{\left (e \sec \left (d x + c\right )\right )^{\frac{2}{3}}}{\sqrt{i \, a \tan \left (d x + c\right ) + a}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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