Integrand size = 25, antiderivative size = 79 \[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\frac {2 \sqrt [6]{2} \operatorname {AppellF1}\left (\frac {1}{2},-\frac {1}{3},-\frac {1}{6},\frac {3}{2},1-\sec (c+d x),\frac {1}{2} (1-\sec (c+d x))\right ) (a+a \sec (c+d x))^{2/3} \tan (c+d x)}{d (1+\sec (c+d x))^{7/6}} \]
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Time = 0.16 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.120, Rules used = {3913, 3910, 138} \[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\frac {2 \sqrt [6]{2} \tan (c+d x) (a \sec (c+d x)+a)^{2/3} \operatorname {AppellF1}\left (\frac {1}{2},-\frac {1}{3},-\frac {1}{6},\frac {3}{2},1-\sec (c+d x),\frac {1}{2} (1-\sec (c+d x))\right )}{d (\sec (c+d x)+1)^{7/6}} \]
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Rule 138
Rule 3910
Rule 3913
Rubi steps \begin{align*} \text {integral}& = \frac {(a+a \sec (c+d x))^{2/3} \int \sec ^{\frac {4}{3}}(c+d x) (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 ) \text {Subst}\left (\int \frac {\sqrt [3]{1-x} \sqrt [6]{2-x}}{\sqrt {x}} \, dx,x,1-\sec (c+d x)\right )}{d \sqrt {1-\sec (c+d x)} (1+\sec (c+d x))^{7/6}} \\ & = \frac {2 \sqrt [6]{2} \operatorname {AppellF1}\left (\frac {1}{2},-\frac {1}{3},-\frac {1}{6},\frac {3}{2},1-\sec (c+d x),\frac {1}{2} (1-\sec (c+d x))\right ) (a+a \sec (c+d x))^{2/3} \tan (c+d x)}{d (1+\sec (c+d x))^{7/6}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 27.27 (sec) , antiderivative size = 1965, normalized size of antiderivative = 24.87 \[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\frac {2^{2/3} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {2}{3},\frac {3}{2},-\tan ^2\left (\frac {1}{2} (c+d x)\right )\right ) (a (1+\sec (c+d x)))^{2/3} \tan \left (\frac {1}{2} (c+d x)\right )}{3 d (1+\sec (c+d x))^{2/3}}+\frac {\sqrt [3]{\sec (c+d x)} ((1+\cos (c+d x)) \sec (c+d x))^{2/3} (a (1+\sec (c+d x)))^{2/3} \tan \left (\frac {1}{2} (c+d x)\right )}{d (1+\sec (c+d x))^{2/3}}-\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right )^{4/3} \sqrt [3]{\sec (c+d x)} (a (1+\sec (c+d x)))^{2/3} \left (\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},-\frac {1+i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )},-\frac {1-i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )}{\sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}}}-\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},\frac {1-i}{1+\tan \left (\frac {1}{2} (c+d x)\right )},\frac {1+i}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )}{\sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}}}\right )}{\sqrt [3]{2} d \left (-\frac {\sqrt [3]{\sec ^2\left (\frac {1}{2} (c+d x)\right )} \tan \left (\frac {1}{2} (c+d x)\right ) \left (\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},-\frac {1+i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )},-\frac {1-i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )}{\sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}}}-\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},\frac {1-i}{1+\tan \left (\frac {1}{2} (c+d x)\right )},\frac {1+i}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )}{\sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}}}\right )}{\sqrt [3]{2}}-\frac {3 \sqrt [3]{\sec ^2\left (\frac {1}{2} (c+d x)\right )} \left (\frac {\frac {\left (\frac {1}{3}-\frac {i}{3}\right ) \operatorname {AppellF1}\left (\frac {1}{3},-\frac {1}{3},\frac {2}{3},\frac {4}{3},-\frac {1+i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )},-\frac {1-i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \sec ^2\left (\frac {1}{2} (c+d x)\right )}{\left (-1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}+\frac {\left (\frac {1}{3}+\frac {i}{3}\right ) \operatorname {AppellF1}\left (\frac {1}{3},\frac {2}{3},-\frac {1}{3},\frac {4}{3},-\frac {1+i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )},-\frac {1-i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \sec ^2\left (\frac {1}{2} (c+d x)\right )}{\left (-1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}}{\sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}}}-\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},-\frac {1+i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )},-\frac {1-i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \left (\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right )}{2 \left (-1+\tan \left (\frac {1}{2} (c+d x)\right )\right )}-\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right ) \left (-i+\tan \left (\frac {1}{2} (c+d x)\right )\right )}{2 \left (-1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}\right )}{3 \left (\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )^{4/3} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}}}-\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},-\frac {1+i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )},-\frac {1-i}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \left (\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right )}{2 \left (-1+\tan \left (\frac {1}{2} (c+d x)\right )\right )}-\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right ) \left (i+\tan \left (\frac {1}{2} (c+d x)\right )\right )}{2 \left (-1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}\right )}{3 \sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}} \left (\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{-1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )^{4/3}}-\frac {-\frac {\left (\frac {1}{3}+\frac {i}{3}\right ) \operatorname {AppellF1}\left (\frac {1}{3},-\frac {1}{3},\frac {2}{3},\frac {4}{3},\frac {1-i}{1+\tan \left (\frac {1}{2} (c+d x)\right )},\frac {1+i}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \sec ^2\left (\frac {1}{2} (c+d x)\right )}{\left (1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}-\frac {\left (\frac {1}{3}-\frac {i}{3}\right ) \operatorname {AppellF1}\left (\frac {1}{3},\frac {2}{3},-\frac {1}{3},\frac {4}{3},\frac {1-i}{1+\tan \left (\frac {1}{2} (c+d x)\right )},\frac {1+i}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \sec ^2\left (\frac {1}{2} (c+d x)\right )}{\left (1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}}{\sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}}}+\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},\frac {1-i}{1+\tan \left (\frac {1}{2} (c+d x)\right )},\frac {1+i}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \left (-\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right ) \left (-i+\tan \left (\frac {1}{2} (c+d x)\right )\right )}{2 \left (1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}+\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right )}{2 \left (1+\tan \left (\frac {1}{2} (c+d x)\right )\right )}\right )}{3 \left (\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )^{4/3} \sqrt [3]{\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}}}+\frac {\operatorname {AppellF1}\left (-\frac {2}{3},-\frac {1}{3},-\frac {1}{3},\frac {1}{3},\frac {1-i}{1+\tan \left (\frac {1}{2} (c+d x)\right )},\frac {1+i}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right ) \left (-\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right ) \left (i+\tan \left (\frac {1}{2} (c+d x)\right )\right )}{2 \left (1+\tan \left (\frac {1}{2} (c+d x)\right )\right )^2}+\frac {\sec ^2\left (\frac {1}{2} (c+d x)\right )}{2 \left (1+\tan \left (\frac {1}{2} (c+d x)\right )\right )}\right )}{3 \sqrt [3]{\frac {-i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}} \left (\frac {i+\tan \left (\frac {1}{2} (c+d x)\right )}{1+\tan \left (\frac {1}{2} (c+d x)\right )}\right )^{4/3}}\right )}{\sqrt [3]{2}}\right )} \]
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\[\int \sec \left (d x +c \right )^{\frac {4}{3}} \left (a +a \sec \left (d x +c \right )\right )^{\frac {2}{3}}d x\]
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Timed out. \[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\text {Timed out} \]
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Timed out. \[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\text {Timed out} \]
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\[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\int { {\left (a \sec \left (d x + c\right ) + a\right )}^{\frac {2}{3}} \sec \left (d x + c\right )^{\frac {4}{3}} \,d x } \]
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\[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\int { {\left (a \sec \left (d x + c\right ) + a\right )}^{\frac {2}{3}} \sec \left (d x + c\right )^{\frac {4}{3}} \,d x } \]
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Timed out. \[ \int \sec ^{\frac {4}{3}}(c+d x) (a+a \sec (c+d x))^{2/3} \, dx=\int {\left (a+\frac {a}{\cos \left (c+d\,x\right )}\right )}^{2/3}\,{\left (\frac {1}{\cos \left (c+d\,x\right )}\right )}^{4/3} \,d x \]
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