Optimal. Leaf size=87 \[ \frac{2 b^7}{17 f (b \sec (e+f x))^{17/2}}-\frac{6 b^5}{13 f (b \sec (e+f x))^{13/2}}+\frac{2 b^3}{3 f (b \sec (e+f x))^{9/2}}-\frac{2 b}{5 f (b \sec (e+f x))^{5/2}} \]
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Rubi [A] time = 0.0632463, antiderivative size = 87, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.095, Rules used = {2622, 270} \[ \frac{2 b^7}{17 f (b \sec (e+f x))^{17/2}}-\frac{6 b^5}{13 f (b \sec (e+f x))^{13/2}}+\frac{2 b^3}{3 f (b \sec (e+f x))^{9/2}}-\frac{2 b}{5 f (b \sec (e+f x))^{5/2}} \]
Antiderivative was successfully verified.
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Rule 2622
Rule 270
Rubi steps
\begin{align*} \int \frac{\sin ^7(e+f x)}{(b \sec (e+f x))^{3/2}} \, dx &=\frac{b^7 \operatorname{Subst}\left (\int \frac{\left (-1+\frac{x^2}{b^2}\right )^3}{x^{19/2}} \, dx,x,b \sec (e+f x)\right )}{f}\\ &=\frac{b^7 \operatorname{Subst}\left (\int \left (-\frac{1}{x^{19/2}}+\frac{3}{b^2 x^{15/2}}-\frac{3}{b^4 x^{11/2}}+\frac{1}{b^6 x^{7/2}}\right ) \, dx,x,b \sec (e+f x)\right )}{f}\\ &=\frac{2 b^7}{17 f (b \sec (e+f x))^{17/2}}-\frac{6 b^5}{13 f (b \sec (e+f x))^{13/2}}+\frac{2 b^3}{3 f (b \sec (e+f x))^{9/2}}-\frac{2 b}{5 f (b \sec (e+f x))^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.43607, size = 52, normalized size = 0.6 \[ \frac{b (8365 \cos (2 (e+f x))-1890 \cos (4 (e+f x))+195 \cos (6 (e+f x))-10766)}{53040 f (b \sec (e+f x))^{5/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.146, size = 56, normalized size = 0.6 \begin{align*}{\frac{ \left ( 390\, \left ( \cos \left ( fx+e \right ) \right ) ^{6}-1530\, \left ( \cos \left ( fx+e \right ) \right ) ^{4}+2210\, \left ( \cos \left ( fx+e \right ) \right ) ^{2}-1326 \right ) \cos \left ( fx+e \right ) }{3315\,f} \left ({\frac{b}{\cos \left ( fx+e \right ) }} \right ) ^{-{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.00176, size = 85, normalized size = 0.98 \begin{align*} \frac{2 \,{\left (195 \, b^{6} - \frac{765 \, b^{6}}{\cos \left (f x + e\right )^{2}} + \frac{1105 \, b^{6}}{\cos \left (f x + e\right )^{4}} - \frac{663 \, b^{6}}{\cos \left (f x + e\right )^{6}}\right )} b}{3315 \, f \left (\frac{b}{\cos \left (f x + e\right )}\right )^{\frac{17}{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.70848, size = 165, normalized size = 1.9 \begin{align*} \frac{2 \,{\left (195 \, \cos \left (f x + e\right )^{9} - 765 \, \cos \left (f x + e\right )^{7} + 1105 \, \cos \left (f x + e\right )^{5} - 663 \, \cos \left (f x + e\right )^{3}\right )} \sqrt{\frac{b}{\cos \left (f x + e\right )}}}{3315 \, b^{2} f} \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{\sin \left (f x + e\right )^{7}}{\left (b \sec \left (f x + e\right )\right )^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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