Optimal. Leaf size=182 \[ \frac{2 \left (5 a^2 A+7 b (2 a B+A b)\right ) \text{EllipticF}\left (\frac{1}{2} (c+d x),2\right )}{21 d}+\frac{2 \left (3 a^2 B+6 a A b+5 b^2 B\right ) E\left (\left .\frac{1}{2} (c+d x)\right |2\right )}{5 d}+\frac{2 \left (5 a^2 A+7 b (2 a B+A b)\right ) \sin (c+d x) \sqrt{\cos (c+d x)}}{21 d}+\frac{2 a (7 a B+9 A b) \sin (c+d x) \cos ^{\frac{3}{2}}(c+d x)}{35 d}+\frac{2 a A \sin (c+d x) \cos ^{\frac{3}{2}}(c+d x) (a \cos (c+d x)+b)}{7 d} \]
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Rubi [A] time = 0.368102, antiderivative size = 182, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.212, Rules used = {2954, 2990, 3023, 2748, 2639, 2635, 2641} \[ \frac{2 \left (3 a^2 B+6 a A b+5 b^2 B\right ) E\left (\left .\frac{1}{2} (c+d x)\right |2\right )}{5 d}+\frac{2 \left (5 a^2 A+7 b (2 a B+A b)\right ) F\left (\left .\frac{1}{2} (c+d x)\right |2\right )}{21 d}+\frac{2 \left (5 a^2 A+7 b (2 a B+A b)\right ) \sin (c+d x) \sqrt{\cos (c+d x)}}{21 d}+\frac{2 a (7 a B+9 A b) \sin (c+d x) \cos ^{\frac{3}{2}}(c+d x)}{35 d}+\frac{2 a A \sin (c+d x) \cos ^{\frac{3}{2}}(c+d x) (a \cos (c+d x)+b)}{7 d} \]
Antiderivative was successfully verified.
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Rule 2954
Rule 2990
Rule 3023
Rule 2748
Rule 2639
Rule 2635
Rule 2641
Rubi steps
\begin{align*} \int \cos ^{\frac{7}{2}}(c+d x) (a+b \sec (c+d x))^2 (A+B \sec (c+d x)) \, dx &=\int \sqrt{\cos (c+d x)} (b+a \cos (c+d x))^2 (B+A \cos (c+d x)) \, dx\\ &=\frac{2 a A \cos ^{\frac{3}{2}}(c+d x) (b+a \cos (c+d x)) \sin (c+d x)}{7 d}+\frac{2}{7} \int \sqrt{\cos (c+d x)} \left (\frac{1}{2} b (3 a A+7 b B)+\frac{1}{2} \left (5 a^2 A+7 b (A b+2 a B)\right ) \cos (c+d x)+\frac{1}{2} a (9 A b+7 a B) \cos ^2(c+d x)\right ) \, dx\\ &=\frac{2 a (9 A b+7 a B) \cos ^{\frac{3}{2}}(c+d x) \sin (c+d x)}{35 d}+\frac{2 a A \cos ^{\frac{3}{2}}(c+d x) (b+a \cos (c+d x)) \sin (c+d x)}{7 d}+\frac{4}{35} \int \sqrt{\cos (c+d x)} \left (\frac{7}{4} \left (6 a A b+3 a^2 B+5 b^2 B\right )+\frac{5}{4} \left (5 a^2 A+7 b (A b+2 a B)\right ) \cos (c+d x)\right ) \, dx\\ &=\frac{2 a (9 A b+7 a B) \cos ^{\frac{3}{2}}(c+d x) \sin (c+d x)}{35 d}+\frac{2 a A \cos ^{\frac{3}{2}}(c+d x) (b+a \cos (c+d x)) \sin (c+d x)}{7 d}+\frac{1}{5} \left (6 a A b+3 a^2 B+5 b^2 B\right ) \int \sqrt{\cos (c+d x)} \, dx+\frac{1}{7} \left (5 a^2 A+7 b (A b+2 a B)\right ) \int \cos ^{\frac{3}{2}}(c+d x) \, dx\\ &=\frac{2 \left (6 a A b+3 a^2 B+5 b^2 B\right ) E\left (\left .\frac{1}{2} (c+d x)\right |2\right )}{5 d}+\frac{2 \left (5 a^2 A+7 b (A b+2 a B)\right ) \sqrt{\cos (c+d x)} \sin (c+d x)}{21 d}+\frac{2 a (9 A b+7 a B) \cos ^{\frac{3}{2}}(c+d x) \sin (c+d x)}{35 d}+\frac{2 a A \cos ^{\frac{3}{2}}(c+d x) (b+a \cos (c+d x)) \sin (c+d x)}{7 d}+\frac{1}{21} \left (5 a^2 A+7 b (A b+2 a B)\right ) \int \frac{1}{\sqrt{\cos (c+d x)}} \, dx\\ &=\frac{2 \left (6 a A b+3 a^2 B+5 b^2 B\right ) E\left (\left .\frac{1}{2} (c+d x)\right |2\right )}{5 d}+\frac{2 \left (5 a^2 A+7 b (A b+2 a B)\right ) F\left (\left .\frac{1}{2} (c+d x)\right |2\right )}{21 d}+\frac{2 \left (5 a^2 A+7 b (A b+2 a B)\right ) \sqrt{\cos (c+d x)} \sin (c+d x)}{21 d}+\frac{2 a (9 A b+7 a B) \cos ^{\frac{3}{2}}(c+d x) \sin (c+d x)}{35 d}+\frac{2 a A \cos ^{\frac{3}{2}}(c+d x) (b+a \cos (c+d x)) \sin (c+d x)}{7 d}\\ \end{align*}
Mathematica [A] time = 1.21557, size = 139, normalized size = 0.76 \[ \frac{10 \left (5 a^2 A+14 a b B+7 A b^2\right ) \text{EllipticF}\left (\frac{1}{2} (c+d x),2\right )+42 \left (3 a^2 B+6 a A b+5 b^2 B\right ) E\left (\left .\frac{1}{2} (c+d x)\right |2\right )+\sin (c+d x) \sqrt{\cos (c+d x)} \left (5 \left (3 a^2 A \cos (2 (c+d x))+13 a^2 A+28 a b B+14 A b^2\right )+42 a (a B+2 A b) \cos (c+d x)\right )}{105 d} \]
Antiderivative was successfully verified.
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Maple [B] time = 1.966, size = 548, normalized size = 3. \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [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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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (B b^{2} \cos \left (d x + c\right )^{3} \sec \left (d x + c\right )^{3} + A a^{2} \cos \left (d x + c\right )^{3} +{\left (2 \, B a b + A b^{2}\right )} \cos \left (d x + c\right )^{3} \sec \left (d x + c\right )^{2} +{\left (B a^{2} + 2 \, A a b\right )} \cos \left (d x + c\right )^{3} \sec \left (d x + c\right )\right )} \sqrt{\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{\left (B \sec \left (d x + c\right ) + A\right )}{\left (b \sec \left (d x + c\right ) + a\right )}^{2} \cos \left (d x + c\right )^{\frac{7}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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