Integrand size = 12, antiderivative size = 70 \[ \int (b \sec (e+f x))^{5/2} \, dx=\frac {2 b^2 \sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right ) \sqrt {b \sec (e+f x)}}{3 f}+\frac {2 b (b \sec (e+f x))^{3/2} \sin (e+f x)}{3 f} \]
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Time = 0.03 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3853, 3856, 2720} \[ \int (b \sec (e+f x))^{5/2} \, dx=\frac {2 b^2 \sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right ) \sqrt {b \sec (e+f x)}}{3 f}+\frac {2 b \sin (e+f x) (b \sec (e+f x))^{3/2}}{3 f} \]
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Rule 2720
Rule 3853
Rule 3856
Rubi steps \begin{align*} \text {integral}& = \frac {2 b (b \sec (e+f x))^{3/2} \sin (e+f x)}{3 f}+\frac {1}{3} b^2 \int \sqrt {b \sec (e+f x)} \, dx \\ & = \frac {2 b (b \sec (e+f x))^{3/2} \sin (e+f x)}{3 f}+\frac {1}{3} \left (b^2 \sqrt {\cos (e+f x)} \sqrt {b \sec (e+f x)}\right ) \int \frac {1}{\sqrt {\cos (e+f x)}} \, dx \\ & = \frac {2 b^2 \sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right ) \sqrt {b \sec (e+f x)}}{3 f}+\frac {2 b (b \sec (e+f x))^{3/2} \sin (e+f x)}{3 f} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.73 \[ \int (b \sec (e+f x))^{5/2} \, dx=\frac {2 b^2 \sqrt {b \sec (e+f x)} \left (\sqrt {\cos (e+f x)} \operatorname {EllipticF}\left (\frac {1}{2} (e+f x),2\right )+\tan (e+f x)\right )}{3 f} \]
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Result contains complex when optimal does not.
Time = 0.70 (sec) , antiderivative size = 144, normalized size of antiderivative = 2.06
method | result | size |
default | \(-\frac {2 \sqrt {b \sec \left (f x +e \right )}\, b^{2} \left (i \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, F\left (i \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), i\right ) \cos \left (f x +e \right )+i \sqrt {\frac {1}{\cos \left (f x +e \right )+1}}\, \sqrt {\frac {\cos \left (f x +e \right )}{\cos \left (f x +e \right )+1}}\, F\left (i \left (-\cot \left (f x +e \right )+\csc \left (f x +e \right )\right ), i\right )-\tan \left (f x +e \right )\right )}{3 f}\) | \(144\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.10 (sec) , antiderivative size = 101, normalized size of antiderivative = 1.44 \[ \int (b \sec (e+f x))^{5/2} \, dx=\frac {-i \, \sqrt {2} b^{\frac {5}{2}} \cos \left (f x + e\right ) {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right ) + i \, \sqrt {2} b^{\frac {5}{2}} \cos \left (f x + e\right ) {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right ) + 2 \, b^{2} \sqrt {\frac {b}{\cos \left (f x + e\right )}} \sin \left (f x + e\right )}{3 \, f \cos \left (f x + e\right )} \]
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\[ \int (b \sec (e+f x))^{5/2} \, dx=\int \left (b \sec {\left (e + f x \right )}\right )^{\frac {5}{2}}\, dx \]
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\[ \int (b \sec (e+f x))^{5/2} \, dx=\int { \left (b \sec \left (f x + e\right )\right )^{\frac {5}{2}} \,d x } \]
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\[ \int (b \sec (e+f x))^{5/2} \, dx=\int { \left (b \sec \left (f x + e\right )\right )^{\frac {5}{2}} \,d x } \]
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Timed out. \[ \int (b \sec (e+f x))^{5/2} \, dx=\int {\left (\frac {b}{\cos \left (e+f\,x\right )}\right )}^{5/2} \,d x \]
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