Optimal. Leaf size=278 \[ \frac{6 i a \sec ^{-1}(a+b x) \text{PolyLog}\left (2,-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x) \text{PolyLog}\left (2,i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{3 i \text{PolyLog}\left (2,-e^{2 i \sec ^{-1}(a+b x)}\right )}{2 b^2}-\frac{6 a \text{PolyLog}\left (3,-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 a \text{PolyLog}\left (3,i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}+\frac{3 i \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{3 \sec ^{-1}(a+b x) \log \left (1+e^{2 i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3 \]
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Rubi [A] time = 0.259244, antiderivative size = 278, normalized size of antiderivative = 1., number of steps used = 16, number of rules used = 12, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 1.2, Rules used = {5258, 4426, 4190, 4181, 2531, 2282, 6589, 4184, 3719, 2190, 2279, 2391} \[ \frac{6 i a \sec ^{-1}(a+b x) \text{PolyLog}\left (2,-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x) \text{PolyLog}\left (2,i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{3 i \text{PolyLog}\left (2,-e^{2 i \sec ^{-1}(a+b x)}\right )}{2 b^2}-\frac{6 a \text{PolyLog}\left (3,-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 a \text{PolyLog}\left (3,i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}+\frac{3 i \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{3 \sec ^{-1}(a+b x) \log \left (1+e^{2 i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3 \]
Antiderivative was successfully verified.
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Rule 5258
Rule 4426
Rule 4190
Rule 4181
Rule 2531
Rule 2282
Rule 6589
Rule 4184
Rule 3719
Rule 2190
Rule 2279
Rule 2391
Rubi steps
\begin{align*} \int x \sec ^{-1}(a+b x)^3 \, dx &=\frac{\operatorname{Subst}\left (\int x^3 \sec (x) (-a+\sec (x)) \tan (x) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}\\ &=\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{3 \operatorname{Subst}\left (\int x^2 (-a+\sec (x))^2 \, dx,x,\sec ^{-1}(a+b x)\right )}{2 b^2}\\ &=\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{3 \operatorname{Subst}\left (\int \left (a^2 x^2-2 a x^2 \sec (x)+x^2 \sec ^2(x)\right ) \, dx,x,\sec ^{-1}(a+b x)\right )}{2 b^2}\\ &=-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{3 \operatorname{Subst}\left (\int x^2 \sec ^2(x) \, dx,x,\sec ^{-1}(a+b x)\right )}{2 b^2}+\frac{(3 a) \operatorname{Subst}\left (\int x^2 \sec (x) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}\\ &=-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{3 \operatorname{Subst}\left (\int x \tan (x) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}-\frac{(6 a) \operatorname{Subst}\left (\int x \log \left (1-i e^{i x}\right ) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}+\frac{(6 a) \operatorname{Subst}\left (\int x \log \left (1+i e^{i x}\right ) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}\\ &=\frac{3 i \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{(6 i) \operatorname{Subst}\left (\int \frac{e^{2 i x} x}{1+e^{2 i x}} \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}-\frac{(6 i a) \operatorname{Subst}\left (\int \text{Li}_2\left (-i e^{i x}\right ) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}+\frac{(6 i a) \operatorname{Subst}\left (\int \text{Li}_2\left (i e^{i x}\right ) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}\\ &=\frac{3 i \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{3 \sec ^{-1}(a+b x) \log \left (1+e^{2 i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{3 \operatorname{Subst}\left (\int \log \left (1+e^{2 i x}\right ) \, dx,x,\sec ^{-1}(a+b x)\right )}{b^2}-\frac{(6 a) \operatorname{Subst}\left (\int \frac{\text{Li}_2(-i x)}{x} \, dx,x,e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{(6 a) \operatorname{Subst}\left (\int \frac{\text{Li}_2(i x)}{x} \, dx,x,e^{i \sec ^{-1}(a+b x)}\right )}{b^2}\\ &=\frac{3 i \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{3 \sec ^{-1}(a+b x) \log \left (1+e^{2 i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 a \text{Li}_3\left (-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 a \text{Li}_3\left (i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{(3 i) \operatorname{Subst}\left (\int \frac{\log (1+x)}{x} \, dx,x,e^{2 i \sec ^{-1}(a+b x)}\right )}{2 b^2}\\ &=\frac{3 i \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{3 (a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2}{2 b^2}-\frac{a^2 \sec ^{-1}(a+b x)^3}{2 b^2}+\frac{1}{2} x^2 \sec ^{-1}(a+b x)^3-\frac{6 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{3 \sec ^{-1}(a+b x) \log \left (1+e^{2 i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}-\frac{6 i a \sec ^{-1}(a+b x) \text{Li}_2\left (i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{3 i \text{Li}_2\left (-e^{2 i \sec ^{-1}(a+b x)}\right )}{2 b^2}-\frac{6 a \text{Li}_3\left (-i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}+\frac{6 a \text{Li}_3\left (i e^{i \sec ^{-1}(a+b x)}\right )}{b^2}\\ \end{align*}
Mathematica [A] time = 0.423032, size = 248, normalized size = 0.89 \[ \frac{1}{2} \left (x^2 \sec ^{-1}(a+b x)^3-\frac{3 \left (4 i a \sec ^{-1}(a+b x) \text{PolyLog}\left (2,i e^{i \sec ^{-1}(a+b x)}\right )-i \text{PolyLog}\left (2,-e^{2 i \sec ^{-1}(a+b x)}\right )+4 a \left (\text{PolyLog}\left (3,-i e^{i \sec ^{-1}(a+b x)}\right )-i \sec ^{-1}(a+b x) \text{PolyLog}\left (2,-i e^{i \sec ^{-1}(a+b x)}\right )\right )-4 a \text{PolyLog}\left (3,i e^{i \sec ^{-1}(a+b x)}\right )+\frac{1}{3} a^2 \sec ^{-1}(a+b x)^3+(a+b x) \sqrt{1-\frac{1}{(a+b x)^2}} \sec ^{-1}(a+b x)^2-i \sec ^{-1}(a+b x)^2+2 \sec ^{-1}(a+b x) \log \left (1+e^{2 i \sec ^{-1}(a+b x)}\right )+4 i a \sec ^{-1}(a+b x)^2 \tan ^{-1}\left (e^{i \sec ^{-1}(a+b x)}\right )\right )}{b^2}\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.476, size = 429, normalized size = 1.5 \begin{align*}{\frac{{x}^{2} \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{3}}{2}}-{\frac{{a}^{2} \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{3}}{2\,{b}^{2}}}-{\frac{3\,x \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{2}}{2\,b}\sqrt{{\frac{-1+ \left ( bx+a \right ) ^{2}}{ \left ( bx+a \right ) ^{2}}}}}-{\frac{3\, \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{2}a}{2\,{b}^{2}}\sqrt{{\frac{-1+ \left ( bx+a \right ) ^{2}}{ \left ( bx+a \right ) ^{2}}}}}+{\frac{{\frac{3\,i}{2}} \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{2}}{{b}^{2}}}-3\,{\frac{ \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{2}a}{{b}^{2}}\ln \left ( 1+i \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) \right ) }+{\frac{6\,ia{\rm arcsec} \left (bx+a\right )}{{b}^{2}}{\it polylog} \left ( 2,-i \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) \right ) }-6\,{\frac{a}{{b}^{2}}{\it polylog} \left ( 3,-i \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) \right ) }-{\frac{6\,ia{\rm arcsec} \left (bx+a\right )}{{b}^{2}}{\it polylog} \left ( 2,i \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) \right ) }+3\,{\frac{ \left ({\rm arcsec} \left (bx+a\right ) \right ) ^{2}a}{{b}^{2}}\ln \left ( 1-i \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) \right ) }+6\,{\frac{a}{{b}^{2}}{\it polylog} \left ( 3,i \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) \right ) }-3\,{\frac{{\rm arcsec} \left (bx+a\right )}{{b}^{2}}\ln \left ( 1+ \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) ^{2} \right ) }+{\frac{{\frac{3\,i}{2}}}{{b}^{2}}{\it polylog} \left ( 2,- \left ( \left ( bx+a \right ) ^{-1}+i\sqrt{1- \left ( bx+a \right ) ^{-2}} \right ) ^{2} \right ) } \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*} \frac{1}{2} \, x^{2} \arctan \left (\sqrt{b x + a + 1} \sqrt{b x + a - 1}\right )^{3} - \frac{3}{8} \, x^{2} \arctan \left (\sqrt{b x + a + 1} \sqrt{b x + a - 1}\right ) \log \left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )^{2} - \int \frac{3 \,{\left ({\left (4 \, b x^{2} \arctan \left (\sqrt{b x + a + 1} \sqrt{b x + a - 1}\right )^{2} - b x^{2} \log \left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )^{2}\right )} \sqrt{b x + a + 1} \sqrt{b x + a - 1} + 4 \,{\left (2 \,{\left (b^{3} x^{4} + 3 \, a b^{2} x^{3} +{\left (3 \, a^{2} - 1\right )} b x^{2} +{\left (a^{3} - a\right )} x\right )} \log \left (b x + a\right )^{2} -{\left (b^{3} x^{4} + 2 \, a b^{2} x^{3} +{\left (a^{2} - 1\right )} b x^{2} + 2 \,{\left (b^{3} x^{4} + 3 \, a b^{2} x^{3} +{\left (3 \, a^{2} - 1\right )} b x^{2} +{\left (a^{3} - a\right )} x\right )} \log \left (b x + a\right )\right )} \log \left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )\right )} \arctan \left (\sqrt{b x + a + 1} \sqrt{b x + a - 1}\right )\right )}}{8 \,{\left (b^{3} x^{3} + 3 \, a b^{2} x^{2} + a^{3} +{\left (3 \, a^{2} - 1\right )} b x - a\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 (x \operatorname{arcsec}\left (b x + a\right )^{3}, 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 x \operatorname{asec}^{3}{\left (a + b 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 x \operatorname{arcsec}\left (b x + a\right )^{3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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