Optimal. Leaf size=127 \[ \frac{2 \sqrt{5} \sqrt{2 \sec (c+d x)+3} E\left (\frac{1}{2} (c+d x)|\frac{6}{5}\right )}{3 d \sqrt{3 \cos (c+d x)+2} \sqrt{\sec (c+d x)}}-\frac{4 \sqrt{3 \cos (c+d x)+2} \sqrt{\sec (c+d x)} \text{EllipticF}\left (\frac{1}{2} (c+d x),\frac{6}{5}\right )}{3 \sqrt{5} d \sqrt{2 \sec (c+d x)+3}} \]
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Rubi [A] time = 0.171297, antiderivative size = 127, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {3862, 3856, 2653, 3858, 2661} \[ \frac{2 \sqrt{5} \sqrt{2 \sec (c+d x)+3} E\left (\frac{1}{2} (c+d x)|\frac{6}{5}\right )}{3 d \sqrt{3 \cos (c+d x)+2} \sqrt{\sec (c+d x)}}-\frac{4 \sqrt{3 \cos (c+d x)+2} \sqrt{\sec (c+d x)} F\left (\frac{1}{2} (c+d x)|\frac{6}{5}\right )}{3 \sqrt{5} d \sqrt{2 \sec (c+d x)+3}} \]
Antiderivative was successfully verified.
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Rule 3862
Rule 3856
Rule 2653
Rule 3858
Rule 2661
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{\sec (c+d x)} \sqrt{3+2 \sec (c+d x)}} \, dx &=\frac{1}{3} \int \frac{\sqrt{3+2 \sec (c+d x)}}{\sqrt{\sec (c+d x)}} \, dx-\frac{2}{3} \int \frac{\sqrt{\sec (c+d x)}}{\sqrt{3+2 \sec (c+d x)}} \, dx\\ &=-\frac{\left (2 \sqrt{2+3 \cos (c+d x)} \sqrt{\sec (c+d x)}\right ) \int \frac{1}{\sqrt{2+3 \cos (c+d x)}} \, dx}{3 \sqrt{3+2 \sec (c+d x)}}+\frac{\sqrt{3+2 \sec (c+d x)} \int \sqrt{2+3 \cos (c+d x)} \, dx}{3 \sqrt{2+3 \cos (c+d x)} \sqrt{\sec (c+d x)}}\\ &=-\frac{4 \sqrt{2+3 \cos (c+d x)} F\left (\frac{1}{2} (c+d x)|\frac{6}{5}\right ) \sqrt{\sec (c+d x)}}{3 \sqrt{5} d \sqrt{3+2 \sec (c+d x)}}+\frac{2 \sqrt{5} E\left (\frac{1}{2} (c+d x)|\frac{6}{5}\right ) \sqrt{3+2 \sec (c+d x)}}{3 d \sqrt{2+3 \cos (c+d x)} \sqrt{\sec (c+d x)}}\\ \end{align*}
Mathematica [A] time = 0.139241, size = 81, normalized size = 0.64 \[ \frac{2 \sqrt{3 \cos (c+d x)+2} \sqrt{\sec (c+d x)} \left (5 E\left (\frac{1}{2} (c+d x)|\frac{6}{5}\right )-2 \text{EllipticF}\left (\frac{1}{2} (c+d x),\frac{6}{5}\right )\right )}{3 \sqrt{5} d \sqrt{2 \sec (c+d x)+3}} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.461, size = 409, normalized size = 3.2 \begin{align*}{\frac{1}{15\,d\sin \left ( dx+c \right ) \left ( 2+3\,\cos \left ( dx+c \right ) \right ) } \left ( 3\,\sqrt{5}\sin \left ( dx+c \right ) \cos \left ( dx+c \right ){\it EllipticF} \left ( 1/5\,{\frac{ \left ( -1+\cos \left ( dx+c \right ) \right ) \sqrt{5}}{\sin \left ( dx+c \right ) }},i\sqrt{5} \right ) \sqrt{2}\sqrt{10}\sqrt{{\frac{2+3\,\cos \left ( dx+c \right ) }{\cos \left ( dx+c \right ) +1}}}\sqrt{ \left ( \cos \left ( dx+c \right ) +1 \right ) ^{-1}}-\sqrt{5}\sin \left ( dx+c \right ) \cos \left ( dx+c \right ){\it EllipticE} \left ({\frac{ \left ( -1+\cos \left ( dx+c \right ) \right ) \sqrt{5}}{5\,\sin \left ( dx+c \right ) }},i\sqrt{5} \right ) \sqrt{2}\sqrt{10}\sqrt{{\frac{2+3\,\cos \left ( dx+c \right ) }{\cos \left ( dx+c \right ) +1}}}\sqrt{ \left ( \cos \left ( dx+c \right ) +1 \right ) ^{-1}}+3\,\sqrt{5}{\it EllipticF} \left ( 1/5\,{\frac{ \left ( -1+\cos \left ( dx+c \right ) \right ) \sqrt{5}}{\sin \left ( dx+c \right ) }},i\sqrt{5} \right ) \sqrt{10}\sqrt{{\frac{2+3\,\cos \left ( dx+c \right ) }{\cos \left ( dx+c \right ) +1}}}\sqrt{2}\sqrt{ \left ( \cos \left ( dx+c \right ) +1 \right ) ^{-1}}\sin \left ( dx+c \right ) -\sqrt{5}{\it EllipticE} \left ({\frac{ \left ( -1+\cos \left ( dx+c \right ) \right ) \sqrt{5}}{5\,\sin \left ( dx+c \right ) }},i\sqrt{5} \right ) \sqrt{10}\sqrt{{\frac{2+3\,\cos \left ( dx+c \right ) }{\cos \left ( dx+c \right ) +1}}}\sqrt{2}\sqrt{ \left ( \cos \left ( dx+c \right ) +1 \right ) ^{-1}}\sin \left ( dx+c \right ) -30\, \left ( \cos \left ( dx+c \right ) \right ) ^{2}+10\,\cos \left ( dx+c \right ) +20 \right ) \sqrt{{\frac{2+3\,\cos \left ( dx+c \right ) }{\cos \left ( dx+c \right ) }}}{\frac{1}{\sqrt{ \left ( \cos \left ( dx+c \right ) \right ) ^{-1}}}}} \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{1}{\sqrt{2 \, \sec \left (d x + c\right ) + 3} \sqrt{\sec \left (d x + c\right )}}\,{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{2 \, \sec \left (d x + c\right ) + 3} \sqrt{\sec \left (d x + c\right )}}{2 \, \sec \left (d x + c\right )^{2} + 3 \, \sec \left (d x + c\right )}, 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{1}{\sqrt{2 \sec{\left (c + d x \right )} + 3} \sqrt{\sec{\left (c + d x \right )}}}\, 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{1}{\sqrt{2 \, \sec \left (d x + c\right ) + 3} \sqrt{\sec \left (d x + c\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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