Optimal. Leaf size=104 \[ \frac{4 \cos (a+b x) (d \tan (a+b x))^{3/2}}{b d^3}-\frac{4 \cos (a+b x) E\left (\left .a+b x-\frac{\pi }{4}\right |2\right ) \sqrt{d \tan (a+b x)}}{b d^2 \sqrt{\sin (2 a+2 b x)}}-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}} \]
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Rubi [A] time = 0.133749, antiderivative size = 104, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.238, Rules used = {2608, 2613, 2615, 2572, 2639} \[ \frac{4 \cos (a+b x) (d \tan (a+b x))^{3/2}}{b d^3}-\frac{4 \cos (a+b x) E\left (\left .a+b x-\frac{\pi }{4}\right |2\right ) \sqrt{d \tan (a+b x)}}{b d^2 \sqrt{\sin (2 a+2 b x)}}-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}} \]
Antiderivative was successfully verified.
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Rule 2608
Rule 2613
Rule 2615
Rule 2572
Rule 2639
Rubi steps
\begin{align*} \int \frac{\sec ^3(a+b x)}{(d \tan (a+b x))^{3/2}} \, dx &=-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}}+\frac{2 \int \sec (a+b x) \sqrt{d \tan (a+b x)} \, dx}{d^2}\\ &=-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}}+\frac{4 \cos (a+b x) (d \tan (a+b x))^{3/2}}{b d^3}-\frac{4 \int \cos (a+b x) \sqrt{d \tan (a+b x)} \, dx}{d^2}\\ &=-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}}+\frac{4 \cos (a+b x) (d \tan (a+b x))^{3/2}}{b d^3}-\frac{\left (4 \sqrt{\cos (a+b x)} \sqrt{d \tan (a+b x)}\right ) \int \sqrt{\cos (a+b x)} \sqrt{\sin (a+b x)} \, dx}{d^2 \sqrt{\sin (a+b x)}}\\ &=-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}}+\frac{4 \cos (a+b x) (d \tan (a+b x))^{3/2}}{b d^3}-\frac{\left (4 \cos (a+b x) \sqrt{d \tan (a+b x)}\right ) \int \sqrt{\sin (2 a+2 b x)} \, dx}{d^2 \sqrt{\sin (2 a+2 b x)}}\\ &=-\frac{2 \sec (a+b x)}{b d \sqrt{d \tan (a+b x)}}-\frac{4 \cos (a+b x) E\left (\left .a-\frac{\pi }{4}+b x\right |2\right ) \sqrt{d \tan (a+b x)}}{b d^2 \sqrt{\sin (2 a+2 b x)}}+\frac{4 \cos (a+b x) (d \tan (a+b x))^{3/2}}{b d^3}\\ \end{align*}
Mathematica [C] time = 0.447907, size = 93, normalized size = 0.89 \[ -\frac{2 \csc (a+b x) \sqrt{d \tan (a+b x)} \left (4 \tan ^2(a+b x) \, _2F_1\left (\frac{3}{4},\frac{3}{2};\frac{7}{4};-\tan ^2(a+b x)\right )+3 \cos (2 (a+b x)) \sqrt{\sec ^2(a+b x)}\right )}{3 b d^2 \sqrt{\sec ^2(a+b x)}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.177, size = 491, normalized size = 4.7 \begin{align*}{\frac{\sqrt{2}\sin \left ( bx+a \right ) }{b \left ( \cos \left ( bx+a \right ) \right ) ^{2}} \left ( 4\,\cos \left ( bx+a \right ){\it EllipticE} \left ( \sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}},1/2\,\sqrt{2} \right ) \sqrt{{\frac{\cos \left ( bx+a \right ) -1}{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{\cos \left ( bx+a \right ) -1+\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}-2\,\cos \left ( bx+a \right ){\it EllipticF} \left ( \sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}},1/2\,\sqrt{2} \right ) \sqrt{{\frac{\cos \left ( bx+a \right ) -1}{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{\cos \left ( bx+a \right ) -1+\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}+4\,{\it EllipticE} \left ( \sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}},1/2\,\sqrt{2} \right ) \sqrt{{\frac{\cos \left ( bx+a \right ) -1}{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{\cos \left ( bx+a \right ) -1+\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}-2\,{\it EllipticF} \left ( \sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}},1/2\,\sqrt{2} \right ) \sqrt{{\frac{\cos \left ( bx+a \right ) -1}{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{1-\cos \left ( bx+a \right ) +\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}\sqrt{{\frac{\cos \left ( bx+a \right ) -1+\sin \left ( bx+a \right ) }{\sin \left ( bx+a \right ) }}}-2\,\cos \left ( bx+a \right ) \sqrt{2}+\sqrt{2} \right ) \left ({\frac{d\sin \left ( bx+a \right ) }{\cos \left ( bx+a \right ) }} \right ) ^{-{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sec \left (b x + a\right )^{3}}{\left (d \tan \left (b x + a\right )\right )^{\frac{3}{2}}}\,{d x} \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 (\frac{\sqrt{d \tan \left (b x + a\right )} \sec \left (b x + a\right )^{3}}{d^{2} \tan \left (b x + a\right )^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sec ^{3}{\left (a + b x \right )}}{\left (d \tan{\left (a + b x \right )}\right )^{\frac{3}{2}}}\, dx \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{\sec \left (b x + a\right )^{3}}{\left (d \tan \left (b x + a\right )\right )^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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