Optimal. Leaf size=77 \[ \frac{3 \sqrt{2} \tan (c+d x) (a \sec (c+d x)+a)^{2/3} F_1\left (\frac{7}{6};\frac{1}{2},1;\frac{13}{6};\frac{1}{2} (\sec (c+d x)+1),\sec (c+d x)+1\right )}{7 d \sqrt{1-\sec (c+d x)}} \]
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Rubi [A] time = 0.0472338, antiderivative size = 77, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.214, Rules used = {3779, 3778, 136} \[ \frac{3 \sqrt{2} \tan (c+d x) (a \sec (c+d x)+a)^{2/3} F_1\left (\frac{7}{6};\frac{1}{2},1;\frac{13}{6};\frac{1}{2} (\sec (c+d x)+1),\sec (c+d x)+1\right )}{7 d \sqrt{1-\sec (c+d x)}} \]
Antiderivative was successfully verified.
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Rule 3779
Rule 3778
Rule 136
Rubi steps
\begin{align*} \int (a+a \sec (c+d x))^{2/3} \, dx &=\frac{(a+a \sec (c+d x))^{2/3} \int (1+\sec (c+d x))^{2/3} \, dx}{(1+\sec (c+d x))^{2/3}}\\ &=-\frac{\left ((a+a \sec (c+d x))^{2/3} \tan (c+d x)\right ) \operatorname{Subst}\left (\int \frac{\sqrt [6]{1+x}}{\sqrt{1-x} x} \, dx,x,\sec (c+d x)\right )}{d \sqrt{1-\sec (c+d x)} (1+\sec (c+d x))^{7/6}}\\ &=\frac{3 \sqrt{2} F_1\left (\frac{7}{6};\frac{1}{2},1;\frac{13}{6};\frac{1}{2} (1+\sec (c+d x)),1+\sec (c+d x)\right ) (a+a \sec (c+d x))^{2/3} \tan (c+d x)}{7 d \sqrt{1-\sec (c+d x)}}\\ \end{align*}
Mathematica [B] time = 4.79151, size = 691, normalized size = 8.97 \[ \frac{45 \sin (c+d x) (a (\sec (c+d x)+1))^{5/3} F_1\left (\frac{1}{2};\frac{2}{3},1;\frac{3}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right ) \left (2 \tan ^2\left (\frac{1}{2} (c+d x)\right ) \left (2 F_1\left (\frac{3}{2};\frac{5}{3},1;\frac{5}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )-3 F_1\left (\frac{3}{2};\frac{2}{3},2;\frac{5}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )\right )+9 F_1\left (\frac{1}{2};\frac{2}{3},1;\frac{3}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )\right )}{a d \left (135 F_1\left (\frac{1}{2};\frac{2}{3},1;\frac{3}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right ){}^2 \left (3 \cos (c+d x)+2 \tan ^2(c+d x)+3\right )+40 \sin ^2\left (\frac{1}{2} (c+d x)\right ) \tan ^2\left (\frac{1}{2} (c+d x)\right ) \sec (c+d x) \left (3 F_1\left (\frac{3}{2};\frac{2}{3},2;\frac{5}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )-2 F_1\left (\frac{3}{2};\frac{5}{3},1;\frac{5}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )\right ){}^2+6 \sin ^2\left (\frac{1}{2} (c+d x)\right ) \sec ^2(c+d x) F_1\left (\frac{1}{2};\frac{2}{3},1;\frac{3}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right ) \left (-24 \cos (c+d x) \tan ^2\left (\frac{1}{2} (c+d x)\right ) \left (9 F_1\left (\frac{5}{2};\frac{2}{3},3;\frac{7}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )-6 F_1\left (\frac{5}{2};\frac{5}{3},2;\frac{7}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )+5 F_1\left (\frac{5}{2};\frac{8}{3},1;\frac{7}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )\right )+15 (16 \cos (c+d x)-3 \cos (2 (c+d x))-7) F_1\left (\frac{3}{2};\frac{2}{3},2;\frac{5}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )+10 (-16 \cos (c+d x)+3 \cos (2 (c+d x))+7) F_1\left (\frac{3}{2};\frac{5}{3},1;\frac{5}{2};\tan ^2\left (\frac{1}{2} (c+d x)\right ),-\tan ^2\left (\frac{1}{2} (c+d x)\right )\right )\right )\right )} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.126, size = 0, normalized size = 0. \begin{align*} \int \left ( a+a\sec \left ( dx+c \right ) \right ) ^{{\frac{2}{3}}}\, 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{\left (a \sec \left (d x + c\right ) + a\right )}^{\frac{2}{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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 \left (a \sec{\left (c + d x \right )} + a\right )^{\frac{2}{3}}\, 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{\left (a \sec \left (d x + c\right ) + a\right )}^{\frac{2}{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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