Optimal. Leaf size=43 \[ \frac{2 d (d \sec (a+b x))^{7/2}}{7 b}-\frac{2 d^3 (d \sec (a+b x))^{3/2}}{3 b} \]
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Rubi [A] time = 0.0485292, antiderivative size = 43, 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, 14} \[ \frac{2 d (d \sec (a+b x))^{7/2}}{7 b}-\frac{2 d^3 (d \sec (a+b x))^{3/2}}{3 b} \]
Antiderivative was successfully verified.
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Rule 2622
Rule 14
Rubi steps
\begin{align*} \int (d \sec (a+b x))^{9/2} \sin ^3(a+b x) \, dx &=\frac{d^3 \operatorname{Subst}\left (\int \sqrt{x} \left (-1+\frac{x^2}{d^2}\right ) \, dx,x,d \sec (a+b x)\right )}{b}\\ &=\frac{d^3 \operatorname{Subst}\left (\int \left (-\sqrt{x}+\frac{x^{5/2}}{d^2}\right ) \, dx,x,d \sec (a+b x)\right )}{b}\\ &=-\frac{2 d^3 (d \sec (a+b x))^{3/2}}{3 b}+\frac{2 d (d \sec (a+b x))^{7/2}}{7 b}\\ \end{align*}
Mathematica [A] time = 0.102751, size = 42, normalized size = 0.98 \[ -\frac{d^4 (7 \cos (2 (a+b x))+1) \sec ^3(a+b x) \sqrt{d \sec (a+b x)}}{21 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.149, size = 36, normalized size = 0.8 \begin{align*} -{\frac{ \left ( 14\, \left ( \cos \left ( bx+a \right ) \right ) ^{2}-6 \right ) \cos \left ( bx+a \right ) }{21\,b} \left ({\frac{d}{\cos \left ( bx+a \right ) }} \right ) ^{{\frac{9}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.2052, size = 51, normalized size = 1.19 \begin{align*} -\frac{2 \,{\left (7 \, d^{2} \left (\frac{d}{\cos \left (b x + a\right )}\right )^{\frac{3}{2}} - 3 \, \left (\frac{d}{\cos \left (b x + a\right )}\right )^{\frac{7}{2}}\right )} d}{21 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.69515, size = 105, normalized size = 2.44 \begin{align*} -\frac{2 \,{\left (7 \, d^{4} \cos \left (b x + a\right )^{2} - 3 \, d^{4}\right )} \sqrt{\frac{d}{\cos \left (b x + a\right )}}}{21 \, b \cos \left (b x + a\right )^{3}} \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 [A] time = 1.3429, size = 66, normalized size = 1.53 \begin{align*} -\frac{2 \,{\left (7 \, d^{5} \cos \left (b x + a\right )^{2} - 3 \, d^{5}\right )} \mathrm{sgn}\left (\cos \left (b x + a\right )\right )}{21 \, \sqrt{d \cos \left (b x + a\right )} b \cos \left (b x + a\right )^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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