Optimal. Leaf size=220 \[ i x \cos ^2(x) \text{PolyLog}\left (2,-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-i x \cos ^2(x) \text{PolyLog}\left (2,e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-\frac{1}{2} \cos ^2(x) \text{PolyLog}\left (3,-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}+\frac{1}{2} \cos ^2(x) \text{PolyLog}\left (3,e^{2 i x}\right ) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \sin ^2(x) \sqrt{a \sec ^4(x)}-2 x^2 \cos ^2(x) \tanh ^{-1}\left (e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-\cos ^2(x) \sqrt{a \sec ^4(x)} \log (\cos (x))-x \sin (x) \cos (x) \sqrt{a \sec ^4(x)} \]
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Rubi [A] time = 0.537266, antiderivative size = 220, normalized size of antiderivative = 1., number of steps used = 16, number of rules used = 13, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.722, Rules used = {6720, 2620, 14, 4420, 2551, 4419, 4183, 2531, 2282, 6589, 3720, 3475, 30} \[ i x \cos ^2(x) \text{PolyLog}\left (2,-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-i x \cos ^2(x) \text{PolyLog}\left (2,e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-\frac{1}{2} \cos ^2(x) \text{PolyLog}\left (3,-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}+\frac{1}{2} \cos ^2(x) \text{PolyLog}\left (3,e^{2 i x}\right ) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \sin ^2(x) \sqrt{a \sec ^4(x)}-2 x^2 \cos ^2(x) \tanh ^{-1}\left (e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-\cos ^2(x) \sqrt{a \sec ^4(x)} \log (\cos (x))-x \sin (x) \cos (x) \sqrt{a \sec ^4(x)} \]
Antiderivative was successfully verified.
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Rule 6720
Rule 2620
Rule 14
Rule 4420
Rule 2551
Rule 4419
Rule 4183
Rule 2531
Rule 2282
Rule 6589
Rule 3720
Rule 3475
Rule 30
Rubi steps
\begin{align*} \int x^2 \csc (x) \sec (x) \sqrt{a \sec ^4(x)} \, dx &=\left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x^2 \csc (x) \sec ^3(x) \, dx\\ &=x^2 \cos ^2(x) \log (\tan (x)) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)-\left (2 \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x \left (\log (\tan (x))+\frac{\tan ^2(x)}{2}\right ) \, dx\\ &=x^2 \cos ^2(x) \log (\tan (x)) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)-\left (2 \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int \left (x \log (\tan (x))+\frac{1}{2} x \tan ^2(x)\right ) \, dx\\ &=x^2 \cos ^2(x) \log (\tan (x)) \sqrt{a \sec ^4(x)}+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)-\left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x \tan ^2(x) \, dx-\left (2 \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x \log (\tan (x)) \, dx\\ &=-x \cos (x) \sqrt{a \sec ^4(x)} \sin (x)+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)+\left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x \, dx+\left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x^2 \csc (x) \sec (x) \, dx+\left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int \tan (x) \, dx\\ &=\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}-\cos ^2(x) \log (\cos (x)) \sqrt{a \sec ^4(x)}-x \cos (x) \sqrt{a \sec ^4(x)} \sin (x)+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)+\left (2 \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x^2 \csc (2 x) \, dx\\ &=\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}-2 x^2 \tanh ^{-1}\left (e^{2 i x}\right ) \cos ^2(x) \sqrt{a \sec ^4(x)}-\cos ^2(x) \log (\cos (x)) \sqrt{a \sec ^4(x)}-x \cos (x) \sqrt{a \sec ^4(x)} \sin (x)+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)-\left (2 \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x \log \left (1-e^{2 i x}\right ) \, dx+\left (2 \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int x \log \left (1+e^{2 i x}\right ) \, dx\\ &=\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}-2 x^2 \tanh ^{-1}\left (e^{2 i x}\right ) \cos ^2(x) \sqrt{a \sec ^4(x)}-\cos ^2(x) \log (\cos (x)) \sqrt{a \sec ^4(x)}+i x \cos ^2(x) \text{Li}_2\left (-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-i x \cos ^2(x) \text{Li}_2\left (e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-x \cos (x) \sqrt{a \sec ^4(x)} \sin (x)+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)-\left (i \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int \text{Li}_2\left (-e^{2 i x}\right ) \, dx+\left (i \cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \int \text{Li}_2\left (e^{2 i x}\right ) \, dx\\ &=\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}-2 x^2 \tanh ^{-1}\left (e^{2 i x}\right ) \cos ^2(x) \sqrt{a \sec ^4(x)}-\cos ^2(x) \log (\cos (x)) \sqrt{a \sec ^4(x)}+i x \cos ^2(x) \text{Li}_2\left (-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-i x \cos ^2(x) \text{Li}_2\left (e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-x \cos (x) \sqrt{a \sec ^4(x)} \sin (x)+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)-\frac{1}{2} \left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \operatorname{Subst}\left (\int \frac{\text{Li}_2(-x)}{x} \, dx,x,e^{2 i x}\right )+\frac{1}{2} \left (\cos ^2(x) \sqrt{a \sec ^4(x)}\right ) \operatorname{Subst}\left (\int \frac{\text{Li}_2(x)}{x} \, dx,x,e^{2 i x}\right )\\ &=\frac{1}{2} x^2 \cos ^2(x) \sqrt{a \sec ^4(x)}-2 x^2 \tanh ^{-1}\left (e^{2 i x}\right ) \cos ^2(x) \sqrt{a \sec ^4(x)}-\cos ^2(x) \log (\cos (x)) \sqrt{a \sec ^4(x)}+i x \cos ^2(x) \text{Li}_2\left (-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-i x \cos ^2(x) \text{Li}_2\left (e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-\frac{1}{2} \cos ^2(x) \text{Li}_3\left (-e^{2 i x}\right ) \sqrt{a \sec ^4(x)}+\frac{1}{2} \cos ^2(x) \text{Li}_3\left (e^{2 i x}\right ) \sqrt{a \sec ^4(x)}-x \cos (x) \sqrt{a \sec ^4(x)} \sin (x)+\frac{1}{2} x^2 \sqrt{a \sec ^4(x)} \sin ^2(x)\\ \end{align*}
Mathematica [A] time = 0.64321, size = 138, normalized size = 0.63 \[ \frac{1}{24} \cos ^2(x) \sqrt{a \sec ^4(x)} \left (24 i x \text{PolyLog}\left (2,e^{-2 i x}\right )+24 i x \text{PolyLog}\left (2,-e^{2 i x}\right )+12 \text{PolyLog}\left (3,e^{-2 i x}\right )-12 \text{PolyLog}\left (3,-e^{2 i x}\right )+16 i x^3+24 x^2 \log \left (1-e^{-2 i x}\right )-24 x^2 \log \left (1+e^{2 i x}\right )+12 x^2 \sec ^2(x)-24 x \tan (x)-24 \log (\cos (x))-i \pi ^3\right ) \]
Antiderivative was successfully verified.
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Maple [C] time = 0.098, size = 254, normalized size = 1.2 \begin{align*} 2\,\sqrt{{\frac{a{{\rm e}^{4\,ix}}}{ \left ( 1+{{\rm e}^{2\,ix}} \right ) ^{4}}}}x \left ( x-i-i{{\rm e}^{-2\,ix}} \right ) +2\,\sqrt{{\frac{a{{\rm e}^{4\,ix}}}{ \left ( 1+{{\rm e}^{2\,ix}} \right ) ^{4}}}} \left ( 1+{{\rm e}^{2\,ix}} \right ) ^{2} \left ( -1/2\,{{\rm e}^{-2\,ix}}\ln \left ( 1+{{\rm e}^{2\,ix}} \right ) -{{\rm e}^{-2\,ix}}\Im \left ( x \right ) +{{\rm e}^{-2\,ix}}\ln \left ({{\rm e}^{i\Re \left ( x \right ) }} \right ) -1/2\,{{\rm e}^{-2\,ix}}{x}^{2}\ln \left ( 1+{{\rm e}^{2\,ix}} \right ) +i/2{{\rm e}^{-2\,ix}}x{\it polylog} \left ( 2,-{{\rm e}^{2\,ix}} \right ) -1/4\,{{\rm e}^{-2\,ix}}{\it polylog} \left ( 3,-{{\rm e}^{2\,ix}} \right ) +1/2\,{{\rm e}^{-2\,ix}}{x}^{2}\ln \left ({{\rm e}^{ix}}+1 \right ) -i{{\rm e}^{-2\,ix}}x{\it polylog} \left ( 2,-{{\rm e}^{ix}} \right ) +{{\rm e}^{-2\,ix}}{\it polylog} \left ( 3,-{{\rm e}^{ix}} \right ) +1/2\,{{\rm e}^{-2\,ix}}{x}^{2}\ln \left ( 1-{{\rm e}^{ix}} \right ) -i{{\rm e}^{-2\,ix}}x{\it polylog} \left ( 2,{{\rm e}^{ix}} \right ) +{{\rm e}^{-2\,ix}}{\it polylog} \left ( 3,{{\rm e}^{ix}} \right ) \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.78614, size = 882, normalized size = 4.01 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [C] time = 3.26037, size = 1823, normalized size = 8.29 \begin{align*} \text{result too large to display} \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 \sqrt{a \sec \left (x\right )^{4}} x^{2} \csc \left (x\right ) \sec \left (x\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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