Optimal. Leaf size=207 \[ \frac{i b^3 \text{PolyLog}\left (2,-e^{2 i \sec ^{-1}(c x)}\right )}{2 c^4}+\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}-\frac{b^2 \log \left (1+e^{2 i \sec ^{-1}(c x)}\right ) \left (a+b \sec ^{-1}(c x)\right )}{c^4}-\frac{b x^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}-\frac{b x \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}+\frac{i b \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^4}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{b^3 x \sqrt{1-\frac{1}{c^2 x^2}}}{4 c^3} \]
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Rubi [A] time = 0.211203, antiderivative size = 207, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 10, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.714, Rules used = {5222, 4409, 4186, 3767, 8, 4184, 3719, 2190, 2279, 2391} \[ \frac{i b^3 \text{PolyLog}\left (2,-e^{2 i \sec ^{-1}(c x)}\right )}{2 c^4}+\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}-\frac{b^2 \log \left (1+e^{2 i \sec ^{-1}(c x)}\right ) \left (a+b \sec ^{-1}(c x)\right )}{c^4}-\frac{b x^3 \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}-\frac{b x \sqrt{1-\frac{1}{c^2 x^2}} \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}+\frac{i b \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^4}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{b^3 x \sqrt{1-\frac{1}{c^2 x^2}}}{4 c^3} \]
Antiderivative was successfully verified.
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Rule 5222
Rule 4409
Rule 4186
Rule 3767
Rule 8
Rule 4184
Rule 3719
Rule 2190
Rule 2279
Rule 2391
Rubi steps
\begin{align*} \int x^3 \left (a+b \sec ^{-1}(c x)\right )^3 \, dx &=\frac{\operatorname{Subst}\left (\int (a+b x)^3 \sec ^4(x) \tan (x) \, dx,x,\sec ^{-1}(c x)\right )}{c^4}\\ &=\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{(3 b) \operatorname{Subst}\left (\int (a+b x)^2 \sec ^4(x) \, dx,x,\sec ^{-1}(c x)\right )}{4 c^4}\\ &=\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x^3 \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{b \operatorname{Subst}\left (\int (a+b x)^2 \sec ^2(x) \, dx,x,\sec ^{-1}(c x)\right )}{2 c^4}-\frac{b^3 \operatorname{Subst}\left (\int \sec ^2(x) \, dx,x,\sec ^{-1}(c x)\right )}{4 c^4}\\ &=\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x^3 \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3+\frac{b^2 \operatorname{Subst}\left (\int (a+b x) \tan (x) \, dx,x,\sec ^{-1}(c x)\right )}{c^4}+\frac{b^3 \operatorname{Subst}\left (\int 1 \, dx,x,-c \sqrt{1-\frac{1}{c^2 x^2}} x\right )}{4 c^4}\\ &=-\frac{b^3 \sqrt{1-\frac{1}{c^2 x^2}} x}{4 c^3}+\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}+\frac{i b \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^4}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x^3 \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{\left (2 i b^2\right ) \operatorname{Subst}\left (\int \frac{e^{2 i x} (a+b x)}{1+e^{2 i x}} \, dx,x,\sec ^{-1}(c x)\right )}{c^4}\\ &=-\frac{b^3 \sqrt{1-\frac{1}{c^2 x^2}} x}{4 c^3}+\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}+\frac{i b \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^4}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x^3 \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{b^2 \left (a+b \sec ^{-1}(c x)\right ) \log \left (1+e^{2 i \sec ^{-1}(c x)}\right )}{c^4}+\frac{b^3 \operatorname{Subst}\left (\int \log \left (1+e^{2 i x}\right ) \, dx,x,\sec ^{-1}(c x)\right )}{c^4}\\ &=-\frac{b^3 \sqrt{1-\frac{1}{c^2 x^2}} x}{4 c^3}+\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}+\frac{i b \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^4}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x^3 \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{b^2 \left (a+b \sec ^{-1}(c x)\right ) \log \left (1+e^{2 i \sec ^{-1}(c x)}\right )}{c^4}-\frac{\left (i b^3\right ) \operatorname{Subst}\left (\int \frac{\log (1+x)}{x} \, dx,x,e^{2 i \sec ^{-1}(c x)}\right )}{2 c^4}\\ &=-\frac{b^3 \sqrt{1-\frac{1}{c^2 x^2}} x}{4 c^3}+\frac{b^2 x^2 \left (a+b \sec ^{-1}(c x)\right )}{4 c^2}+\frac{i b \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^4}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x \left (a+b \sec ^{-1}(c x)\right )^2}{2 c^3}-\frac{b \sqrt{1-\frac{1}{c^2 x^2}} x^3 \left (a+b \sec ^{-1}(c x)\right )^2}{4 c}+\frac{1}{4} x^4 \left (a+b \sec ^{-1}(c x)\right )^3-\frac{b^2 \left (a+b \sec ^{-1}(c x)\right ) \log \left (1+e^{2 i \sec ^{-1}(c x)}\right )}{c^4}+\frac{i b^3 \text{Li}_2\left (-e^{2 i \sec ^{-1}(c x)}\right )}{2 c^4}\\ \end{align*}
Mathematica [A] time = 0.835647, size = 288, normalized size = 1.39 \[ \frac{2 i b^3 \text{PolyLog}\left (2,-e^{2 i \sec ^{-1}(c x)}\right )+b \sec ^{-1}(c x) \left (c x \left (3 a^2 c^3 x^3-2 a b \sqrt{1-\frac{1}{c^2 x^2}} \left (c^2 x^2+2\right )+b^2 c x\right )-4 b^2 \log \left (1+e^{2 i \sec ^{-1}(c x)}\right )\right )-a^2 b c^3 x^3 \sqrt{1-\frac{1}{c^2 x^2}}-2 a^2 b c x \sqrt{1-\frac{1}{c^2 x^2}}+a^3 c^4 x^4+a b^2 c^2 x^2-b^2 \sec ^{-1}(c x)^2 \left (-3 a c^4 x^4+b \left (c^3 x^3 \sqrt{1-\frac{1}{c^2 x^2}}+2 c x \sqrt{1-\frac{1}{c^2 x^2}}-2 i\right )\right )-4 a b^2 \log \left (\frac{1}{c x}\right )-b^3 c x \sqrt{1-\frac{1}{c^2 x^2}}+b^3 c^4 x^4 \sec ^{-1}(c x)^3}{4 c^4} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 0.472, size = 447, normalized size = 2.2 \begin{align*}{\frac{{x}^{4}{a}^{3}}{4}}+{\frac{{b}^{3} \left ({\rm arcsec} \left (cx\right ) \right ) ^{3}{x}^{4}}{4}}-{\frac{{b}^{3} \left ({\rm arcsec} \left (cx\right ) \right ) ^{2}{x}^{3}}{4\,c}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}-{\frac{{b}^{3} \left ({\rm arcsec} \left (cx\right ) \right ) ^{2}x}{2\,{c}^{3}}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}+{\frac{{\frac{i}{2}}{b}^{3} \left ({\rm arcsec} \left (cx\right ) \right ) ^{2}}{{c}^{4}}}+{\frac{{b}^{3}{\rm arcsec} \left (cx\right ){x}^{2}}{4\,{c}^{2}}}-{\frac{{b}^{3}x}{4\,{c}^{3}}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}+{\frac{{\frac{i}{2}}{b}^{3}}{{c}^{4}}{\it polylog} \left ( 2,- \left ({\frac{1}{cx}}+i\sqrt{1-{\frac{1}{{c}^{2}{x}^{2}}}} \right ) ^{2} \right ) }-{\frac{{b}^{3}{\rm arcsec} \left (cx\right )}{{c}^{4}}\ln \left ( 1+ \left ({\frac{1}{cx}}+i\sqrt{1-{\frac{1}{{c}^{2}{x}^{2}}}} \right ) ^{2} \right ) }-{\frac{{\frac{i}{4}}{b}^{3}}{{c}^{4}}}+{\frac{3\,{a}^{2}b{x}^{4}{\rm arcsec} \left (cx\right )}{4}}-{\frac{{a}^{2}b{x}^{3}}{4\,c}{\frac{1}{\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}}}-{\frac{{a}^{2}bx}{4\,{c}^{3}}{\frac{1}{\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}}}+{\frac{{a}^{2}b}{2\,{c}^{5}x}{\frac{1}{\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}}}+{\frac{3\,a{b}^{2} \left ({\rm arcsec} \left (cx\right ) \right ) ^{2}{x}^{4}}{4}}-{\frac{a{b}^{2}{\rm arcsec} \left (cx\right ){x}^{3}}{2\,c}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}+{\frac{a{x}^{2}{b}^{2}}{4\,{c}^{2}}}-{\frac{a{b}^{2}{\rm arcsec} \left (cx\right )x}{{c}^{3}}\sqrt{{\frac{{c}^{2}{x}^{2}-1}{{c}^{2}{x}^{2}}}}}-{\frac{a{b}^{2}}{{c}^{4}}\ln \left ({\frac{1}{cx}} \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{3}{4} \, a b^{2} x^{4} \operatorname{arcsec}\left (c x\right )^{2} + \frac{1}{4} \, a^{3} x^{4} + \frac{1}{4} \,{\left (3 \, x^{4} \operatorname{arcsec}\left (c x\right ) - \frac{c^{2} x^{3}{\left (-\frac{1}{c^{2} x^{2}} + 1\right )}^{\frac{3}{2}} + 3 \, x \sqrt{-\frac{1}{c^{2} x^{2}} + 1}}{c^{3}}\right )} a^{2} b + \frac{1}{16} \,{\left (4 \, x^{4} \arctan \left (\sqrt{c x + 1} \sqrt{c x - 1}\right )^{3} - 3 \, x^{4} \arctan \left (\sqrt{c x + 1} \sqrt{c x - 1}\right ) \log \left (c^{2} x^{2}\right )^{2} - 16 \, \int \frac{3 \,{\left ({\left (4 \, x^{3} \arctan \left (\sqrt{c x + 1} \sqrt{c x - 1}\right )^{2} - x^{3} \log \left (c^{2} x^{2}\right )^{2}\right )} \sqrt{c x + 1} \sqrt{c x - 1} + 4 \,{\left (4 \, c^{2} x^{5} \log \left (c\right )^{2} - 4 \, x^{3} \log \left (c\right )^{2} + 4 \,{\left (c^{2} x^{5} - x^{3}\right )} \log \left (x\right )^{2} -{\left ({\left (4 \, c^{2} \log \left (c\right ) + c^{2}\right )} x^{5} - x^{3}{\left (4 \, \log \left (c\right ) + 1\right )} + 4 \,{\left (c^{2} x^{5} - x^{3}\right )} \log \left (x\right )\right )} \log \left (c^{2} x^{2}\right ) + 8 \,{\left (c^{2} x^{5} \log \left (c\right ) - x^{3} \log \left (c\right )\right )} \log \left (x\right )\right )} \arctan \left (\sqrt{c x + 1} \sqrt{c x - 1}\right )\right )}}{16 \,{\left (c^{2} x^{2} - 1\right )}}\,{d x}\right )} b^{3} + \frac{{\left ({\left (c^{2} x^{2} + 2 \, \log \left (x^{2}\right )\right )} \sqrt{c x + 1} \sqrt{c x - 1} - 2 \,{\left (c^{4} x^{4} + c^{2} x^{2} - 2\right )} \arctan \left (\sqrt{c x + 1} \sqrt{c x - 1}\right )\right )} a b^{2}}{4 \, \sqrt{c x + 1} \sqrt{c x - 1} c^{4}} \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 (b^{3} x^{3} \operatorname{arcsec}\left (c x\right )^{3} + 3 \, a b^{2} x^{3} \operatorname{arcsec}\left (c x\right )^{2} + 3 \, a^{2} b x^{3} \operatorname{arcsec}\left (c x\right ) + a^{3} x^{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^{3} \left (a + b \operatorname{asec}{\left (c x \right )}\right )^{3}\, 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{\left (b \operatorname{arcsec}\left (c x\right ) + a\right )}^{3} x^{3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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