Integrand size = 25, antiderivative size = 115 \[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=-\frac {2 b^4 (3 A+5 C) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )}{5 d \sqrt {\cos (c+d x)} \sqrt {b \sec (c+d x)}}+\frac {2 b^3 (3 A+5 C) \sqrt {b \sec (c+d x)} \sin (c+d x)}{5 d}+\frac {2 A b^2 (b \sec (c+d x))^{3/2} \tan (c+d x)}{5 d} \]
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Time = 0.14 (sec) , antiderivative size = 115, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3317, 4131, 3853, 3856, 2719} \[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=-\frac {2 b^4 (3 A+5 C) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )}{5 d \sqrt {\cos (c+d x)} \sqrt {b \sec (c+d x)}}+\frac {2 b^3 (3 A+5 C) \sin (c+d x) \sqrt {b \sec (c+d x)}}{5 d}+\frac {2 A b^2 \tan (c+d x) (b \sec (c+d x))^{3/2}}{5 d} \]
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Rule 2719
Rule 3317
Rule 3853
Rule 3856
Rule 4131
Rubi steps \begin{align*} \text {integral}& = b^2 \int (b \sec (c+d x))^{3/2} \left (C+A \sec ^2(c+d x)\right ) \, dx \\ & = \frac {2 A b^2 (b \sec (c+d x))^{3/2} \tan (c+d x)}{5 d}+\frac {1}{5} \left (b^2 (3 A+5 C)\right ) \int (b \sec (c+d x))^{3/2} \, dx \\ & = \frac {2 b^3 (3 A+5 C) \sqrt {b \sec (c+d x)} \sin (c+d x)}{5 d}+\frac {2 A b^2 (b \sec (c+d x))^{3/2} \tan (c+d x)}{5 d}-\frac {1}{5} \left (b^4 (3 A+5 C)\right ) \int \frac {1}{\sqrt {b \sec (c+d x)}} \, dx \\ & = \frac {2 b^3 (3 A+5 C) \sqrt {b \sec (c+d x)} \sin (c+d x)}{5 d}+\frac {2 A b^2 (b \sec (c+d x))^{3/2} \tan (c+d x)}{5 d}-\frac {\left (b^4 (3 A+5 C)\right ) \int \sqrt {\cos (c+d x)} \, dx}{5 \sqrt {\cos (c+d x)} \sqrt {b \sec (c+d x)}} \\ & = -\frac {2 b^4 (3 A+5 C) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )}{5 d \sqrt {\cos (c+d x)} \sqrt {b \sec (c+d x)}}+\frac {2 b^3 (3 A+5 C) \sqrt {b \sec (c+d x)} \sin (c+d x)}{5 d}+\frac {2 A b^2 (b \sec (c+d x))^{3/2} \tan (c+d x)}{5 d} \\ \end{align*}
Time = 1.38 (sec) , antiderivative size = 79, normalized size of antiderivative = 0.69 \[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=-\frac {b^2 (b \sec (c+d x))^{3/2} \left (2 (3 A+5 C) \cos ^{\frac {3}{2}}(c+d x) E\left (\left .\frac {1}{2} (c+d x)\right |2\right )-(3 A+5 C) \sin (2 (c+d x))-2 A \tan (c+d x)\right )}{5 d} \]
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Result contains complex when optimal does not.
Time = 72.59 (sec) , antiderivative size = 798, normalized size of antiderivative = 6.94
method | result | size |
default | \(\text {Expression too large to display}\) | \(798\) |
parts | \(\text {Expression too large to display}\) | \(811\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.09 (sec) , antiderivative size = 147, normalized size of antiderivative = 1.28 \[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=\frac {-i \, \sqrt {2} {\left (3 \, A + 5 \, C\right )} b^{\frac {7}{2}} \cos \left (d x + c\right )^{2} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (d x + c\right ) + i \, \sin \left (d x + c\right )\right )\right ) + i \, \sqrt {2} {\left (3 \, A + 5 \, C\right )} b^{\frac {7}{2}} \cos \left (d x + c\right )^{2} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (d x + c\right ) - i \, \sin \left (d x + c\right )\right )\right ) + 2 \, {\left ({\left (3 \, A + 5 \, C\right )} b^{3} \cos \left (d x + c\right )^{2} + A b^{3}\right )} \sqrt {\frac {b}{\cos \left (d x + c\right )}} \sin \left (d x + c\right )}{5 \, d \cos \left (d x + c\right )^{2}} \]
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Timed out. \[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=\text {Timed out} \]
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\[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=\int { {\left (C \cos \left (d x + c\right )^{2} + A\right )} \left (b \sec \left (d x + c\right )\right )^{\frac {7}{2}} \,d x } \]
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\[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=\int { {\left (C \cos \left (d x + c\right )^{2} + A\right )} \left (b \sec \left (d x + c\right )\right )^{\frac {7}{2}} \,d x } \]
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Timed out. \[ \int \left (A+C \cos ^2(c+d x)\right ) (b \sec (c+d x))^{7/2} \, dx=\int \left (C\,{\cos \left (c+d\,x\right )}^2+A\right )\,{\left (\frac {b}{\cos \left (c+d\,x\right )}\right )}^{7/2} \,d x \]
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