Optimal. Leaf size=92 \[ \frac{3 A b^2 \sin (c+d x)}{7 d (b \cos (c+d x))^{7/3}}+\frac{3 (4 A+7 C) \sin (c+d x) \, _2F_1\left (-\frac{1}{6},\frac{1}{2};\frac{5}{6};\cos ^2(c+d x)\right )}{7 d \sqrt{\sin ^2(c+d x)} \sqrt [3]{b \cos (c+d x)}} \]
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Rubi [A] time = 0.0972061, antiderivative size = 92, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {16, 3012, 2643} \[ \frac{3 A b^2 \sin (c+d x)}{7 d (b \cos (c+d x))^{7/3}}+\frac{3 (4 A+7 C) \sin (c+d x) \, _2F_1\left (-\frac{1}{6},\frac{1}{2};\frac{5}{6};\cos ^2(c+d x)\right )}{7 d \sqrt{\sin ^2(c+d x)} \sqrt [3]{b \cos (c+d x)}} \]
Antiderivative was successfully verified.
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Rule 16
Rule 3012
Rule 2643
Rubi steps
\begin{align*} \int \frac{\left (A+C \cos ^2(c+d x)\right ) \sec ^3(c+d x)}{\sqrt [3]{b \cos (c+d x)}} \, dx &=b^3 \int \frac{A+C \cos ^2(c+d x)}{(b \cos (c+d x))^{10/3}} \, dx\\ &=\frac{3 A b^2 \sin (c+d x)}{7 d (b \cos (c+d x))^{7/3}}+\frac{1}{7} (b (4 A+7 C)) \int \frac{1}{(b \cos (c+d x))^{4/3}} \, dx\\ &=\frac{3 A b^2 \sin (c+d x)}{7 d (b \cos (c+d x))^{7/3}}+\frac{3 (4 A+7 C) \, _2F_1\left (-\frac{1}{6},\frac{1}{2};\frac{5}{6};\cos ^2(c+d x)\right ) \sin (c+d x)}{7 d \sqrt [3]{b \cos (c+d x)} \sqrt{\sin ^2(c+d x)}}\\ \end{align*}
Mathematica [C] time = 5.98642, size = 404, normalized size = 4.39 \[ \frac{3 b^2 \csc (c) \sec (c) e^{-i d x} \left (A+C \cos ^2(c+d x)\right ) \left (2 \cos (c) \left (e^{i d x} \sqrt [3]{e^{-i d x} \left (i \sin (c) \left (-1+e^{2 i d x}\right )+\cos (c) \left (1+e^{2 i d x}\right )\right )} ((2 A+7 C) \cos (2 c+d x)+(4 A+7 C) \cos (2 c+3 d x)+2 (5 A+7 C) \cos (d x))-2\ 2^{2/3} (4 A+7 C) \cos ^{\frac{7}{3}}(c+d x) \sqrt [3]{\cos (c+d x) (\cos (c+d x)+i \sin (c+d x))} \, _2F_1\left (-\frac{1}{3},\frac{1}{3};\frac{2}{3};-e^{2 i d x} (\cos (c)+i \sin (c))^2\right )\right )-(4 A+7 C) \sin (c) \cos (c) \csc \left (\frac{c}{2}\right ) \sec \left (\frac{c}{2}\right ) e^{2 i d x} \cos ^{\frac{7}{3}}(c+d x) \sqrt [3]{2 i \sin (2 c) e^{2 i d x}+2 \cos (2 c) e^{2 i d x}+2} \, _2F_1\left (\frac{1}{3},\frac{2}{3};\frac{5}{3};-e^{2 i d x} (\cos (c)+i \sin (c))^2\right )\right )}{28 d (b \cos (c+d x))^{7/3} \sqrt [3]{e^{-i d x} \left (i \sin (c) \left (-1+e^{2 i d x}\right )+\cos (c) \left (1+e^{2 i d x}\right )\right )} (2 A+C \cos (2 (c+d x))+C)} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.379, size = 0, normalized size = 0. \begin{align*} \int{ \left ( A+C \left ( \cos \left ( dx+c \right ) \right ) ^{2} \right ) \left ( \sec \left ( dx+c \right ) \right ) ^{3}{\frac{1}{\sqrt [3]{b\cos \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 (C \cos \left (d x + c\right )^{2} + A\right )} \sec \left (d x + c\right )^{3}}{\left (b \cos \left (d x + c\right )\right )^{\frac{1}{3}}}\,{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*}{\rm integral}\left (\frac{{\left (C \cos \left (d x + c\right )^{2} + A\right )} \left (b \cos \left (d x + c\right )\right )^{\frac{2}{3}} \sec \left (d x + c\right )^{3}}{b \cos \left (d x + c\right )}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [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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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (C \cos \left (d x + c\right )^{2} + A\right )} \sec \left (d x + c\right )^{3}}{\left (b \cos \left (d x + c\right )\right )^{\frac{1}{3}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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