Optimal. Leaf size=94 \[ -\frac{b^2 \text{PolyLog}\left (2,1-\frac{2}{1-c x^2}\right )}{2 c}+\frac{1}{2} x^2 \left (a+b \tanh ^{-1}\left (c x^2\right )\right )^2+\frac{\left (a+b \tanh ^{-1}\left (c x^2\right )\right )^2}{2 c}-\frac{b \log \left (\frac{2}{1-c x^2}\right ) \left (a+b \tanh ^{-1}\left (c x^2\right )\right )}{c} \]
[Out]
________________________________________________________________________________________
Rubi [B] time = 0.513899, antiderivative size = 207, normalized size of antiderivative = 2.2, number of steps used = 28, number of rules used = 12, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.857, Rules used = {6099, 2454, 2389, 2296, 2295, 6715, 2430, 43, 2416, 2394, 2393, 2391} \[ -\frac{b^2 \text{PolyLog}\left (2,\frac{1}{2} \left (1-c x^2\right )\right )}{4 c}+\frac{b^2 \text{PolyLog}\left (2,\frac{1}{2} \left (c x^2+1\right )\right )}{4 c}+\frac{b \log \left (\frac{1}{2} \left (c x^2+1\right )\right ) \left (2 a-b \log \left (1-c x^2\right )\right )}{4 c}+\frac{1}{4} b x^2 \log \left (c x^2+1\right ) \left (2 a-b \log \left (1-c x^2\right )\right )-\frac{\left (1-c x^2\right ) \left (2 a-b \log \left (1-c x^2\right )\right )^2}{8 c}+\frac{b^2 \left (c x^2+1\right ) \log ^2\left (c x^2+1\right )}{8 c}+\frac{b^2 \log \left (\frac{1}{2} \left (1-c x^2\right )\right ) \log \left (c x^2+1\right )}{4 c} \]
Warning: Unable to verify antiderivative.
[In]
[Out]
Rule 6099
Rule 2454
Rule 2389
Rule 2296
Rule 2295
Rule 6715
Rule 2430
Rule 43
Rule 2416
Rule 2394
Rule 2393
Rule 2391
Rubi steps
\begin{align*} \int x \left (a+b \tanh ^{-1}\left (c x^2\right )\right )^2 \, dx &=\int \left (\frac{1}{4} x \left (2 a-b \log \left (1-c x^2\right )\right )^2-\frac{1}{2} b x \left (-2 a+b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )+\frac{1}{4} b^2 x \log ^2\left (1+c x^2\right )\right ) \, dx\\ &=\frac{1}{4} \int x \left (2 a-b \log \left (1-c x^2\right )\right )^2 \, dx-\frac{1}{2} b \int x \left (-2 a+b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right ) \, dx+\frac{1}{4} b^2 \int x \log ^2\left (1+c x^2\right ) \, dx\\ &=\frac{1}{8} \operatorname{Subst}\left (\int (2 a-b \log (1-c x))^2 \, dx,x,x^2\right )-\frac{1}{4} b \operatorname{Subst}\left (\int (-2 a+b \log (1-c x)) \log (1+c x) \, dx,x,x^2\right )+\frac{1}{8} b^2 \operatorname{Subst}\left (\int \log ^2(1+c x) \, dx,x,x^2\right )\\ &=\frac{1}{4} b x^2 \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )-\frac{\operatorname{Subst}\left (\int (2 a-b \log (x))^2 \, dx,x,1-c x^2\right )}{8 c}+\frac{b^2 \operatorname{Subst}\left (\int \log ^2(x) \, dx,x,1+c x^2\right )}{8 c}+\frac{1}{4} (b c) \operatorname{Subst}\left (\int \frac{x (-2 a+b \log (1-c x))}{1+c x} \, dx,x,x^2\right )-\frac{1}{4} \left (b^2 c\right ) \operatorname{Subst}\left (\int \frac{x \log (1+c x)}{1-c x} \, dx,x,x^2\right )\\ &=-\frac{\left (1-c x^2\right ) \left (2 a-b \log \left (1-c x^2\right )\right )^2}{8 c}+\frac{1}{4} b x^2 \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )+\frac{b^2 \left (1+c x^2\right ) \log ^2\left (1+c x^2\right )}{8 c}-\frac{b \operatorname{Subst}\left (\int (2 a-b \log (x)) \, dx,x,1-c x^2\right )}{4 c}-\frac{b^2 \operatorname{Subst}\left (\int \log (x) \, dx,x,1+c x^2\right )}{4 c}+\frac{1}{4} (b c) \operatorname{Subst}\left (\int \left (\frac{-2 a+b \log (1-c x)}{c}-\frac{-2 a+b \log (1-c x)}{c (1+c x)}\right ) \, dx,x,x^2\right )-\frac{1}{4} \left (b^2 c\right ) \operatorname{Subst}\left (\int \left (-\frac{\log (1+c x)}{c}-\frac{\log (1+c x)}{c (-1+c x)}\right ) \, dx,x,x^2\right )\\ &=\frac{1}{2} a b x^2+\frac{b^2 x^2}{4}-\frac{\left (1-c x^2\right ) \left (2 a-b \log \left (1-c x^2\right )\right )^2}{8 c}-\frac{b^2 \left (1+c x^2\right ) \log \left (1+c x^2\right )}{4 c}+\frac{1}{4} b x^2 \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )+\frac{b^2 \left (1+c x^2\right ) \log ^2\left (1+c x^2\right )}{8 c}+\frac{1}{4} b \operatorname{Subst}\left (\int (-2 a+b \log (1-c x)) \, dx,x,x^2\right )-\frac{1}{4} b \operatorname{Subst}\left (\int \frac{-2 a+b \log (1-c x)}{1+c x} \, dx,x,x^2\right )+\frac{1}{4} b^2 \operatorname{Subst}\left (\int \log (1+c x) \, dx,x,x^2\right )+\frac{1}{4} b^2 \operatorname{Subst}\left (\int \frac{\log (1+c x)}{-1+c x} \, dx,x,x^2\right )+\frac{b^2 \operatorname{Subst}\left (\int \log (x) \, dx,x,1-c x^2\right )}{4 c}\\ &=\frac{b^2 x^2}{2}+\frac{b^2 \left (1-c x^2\right ) \log \left (1-c x^2\right )}{4 c}-\frac{\left (1-c x^2\right ) \left (2 a-b \log \left (1-c x^2\right )\right )^2}{8 c}+\frac{b \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (\frac{1}{2} \left (1+c x^2\right )\right )}{4 c}-\frac{b^2 \left (1+c x^2\right ) \log \left (1+c x^2\right )}{4 c}+\frac{b^2 \log \left (\frac{1}{2} \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )}{4 c}+\frac{1}{4} b x^2 \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )+\frac{b^2 \left (1+c x^2\right ) \log ^2\left (1+c x^2\right )}{8 c}-\frac{1}{4} b^2 \operatorname{Subst}\left (\int \frac{\log \left (\frac{1}{2} (1-c x)\right )}{1+c x} \, dx,x,x^2\right )+\frac{1}{4} b^2 \operatorname{Subst}\left (\int \log (1-c x) \, dx,x,x^2\right )-\frac{1}{4} b^2 \operatorname{Subst}\left (\int \frac{\log \left (\frac{1}{2} (1+c x)\right )}{1-c x} \, dx,x,x^2\right )+\frac{b^2 \operatorname{Subst}\left (\int \log (x) \, dx,x,1+c x^2\right )}{4 c}\\ &=\frac{b^2 x^2}{4}+\frac{b^2 \left (1-c x^2\right ) \log \left (1-c x^2\right )}{4 c}-\frac{\left (1-c x^2\right ) \left (2 a-b \log \left (1-c x^2\right )\right )^2}{8 c}+\frac{b \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (\frac{1}{2} \left (1+c x^2\right )\right )}{4 c}+\frac{b^2 \log \left (\frac{1}{2} \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )}{4 c}+\frac{1}{4} b x^2 \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )+\frac{b^2 \left (1+c x^2\right ) \log ^2\left (1+c x^2\right )}{8 c}+\frac{b^2 \operatorname{Subst}\left (\int \frac{\log \left (1-\frac{x}{2}\right )}{x} \, dx,x,1-c x^2\right )}{4 c}-\frac{b^2 \operatorname{Subst}\left (\int \frac{\log \left (1-\frac{x}{2}\right )}{x} \, dx,x,1+c x^2\right )}{4 c}-\frac{b^2 \operatorname{Subst}\left (\int \log (x) \, dx,x,1-c x^2\right )}{4 c}\\ &=-\frac{\left (1-c x^2\right ) \left (2 a-b \log \left (1-c x^2\right )\right )^2}{8 c}+\frac{b \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (\frac{1}{2} \left (1+c x^2\right )\right )}{4 c}+\frac{b^2 \log \left (\frac{1}{2} \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )}{4 c}+\frac{1}{4} b x^2 \left (2 a-b \log \left (1-c x^2\right )\right ) \log \left (1+c x^2\right )+\frac{b^2 \left (1+c x^2\right ) \log ^2\left (1+c x^2\right )}{8 c}-\frac{b^2 \text{Li}_2\left (\frac{1}{2} \left (1-c x^2\right )\right )}{4 c}+\frac{b^2 \text{Li}_2\left (\frac{1}{2} \left (1+c x^2\right )\right )}{4 c}\\ \end{align*}
Mathematica [A] time = 0.0656213, size = 99, normalized size = 1.05 \[ \frac{b^2 \text{PolyLog}\left (2,-e^{-2 \tanh ^{-1}\left (c x^2\right )}\right )+a \left (a c x^2+b \log \left (1-c^2 x^4\right )\right )+2 b \tanh ^{-1}\left (c x^2\right ) \left (a c x^2-b \log \left (e^{-2 \tanh ^{-1}\left (c x^2\right )}+1\right )\right )+b^2 \left (c x^2-1\right ) \tanh ^{-1}\left (c x^2\right )^2}{2 c} \]
Warning: Unable to verify antiderivative.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.035, size = 144, normalized size = 1.5 \begin{align*}{\frac{ \left ({\it Artanh} \left ( c{x}^{2} \right ) \right ) ^{2}{x}^{2}{b}^{2}}{2}}+ab{x}^{2}{\it Artanh} \left ( c{x}^{2} \right ) +{\frac{{a}^{2}{x}^{2}}{2}}+{\frac{{b}^{2} \left ({\it Artanh} \left ( c{x}^{2} \right ) \right ) ^{2}}{2\,c}}-{\frac{{\it Artanh} \left ( c{x}^{2} \right ){b}^{2}}{c}\ln \left ({\frac{ \left ( c{x}^{2}+1 \right ) ^{2}}{-{c}^{2}{x}^{4}+1}}+1 \right ) }-{\frac{{b}^{2}}{2\,c}{\it polylog} \left ( 2,-{\frac{ \left ( c{x}^{2}+1 \right ) ^{2}}{-{c}^{2}{x}^{4}+1}} \right ) }+{\frac{ab\ln \left ( -{c}^{2}{x}^{4}+1 \right ) }{2\,c}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{1}{2} \, a^{2} x^{2} + \frac{1}{8} \,{\left (x^{2} \log \left (-c x^{2} + 1\right )^{2} - c^{2}{\left (\frac{2 \, x^{2}}{c^{2}} - \frac{\log \left (c x^{2} + 1\right )}{c^{3}} + \frac{\log \left (c x^{2} - 1\right )}{c^{3}}\right )} - 2 \, c{\left (\frac{x^{2}}{c} + \frac{\log \left (c x^{2} - 1\right )}{c^{2}}\right )} \log \left (-c x^{2} + 1\right ) + 12 \, c \int \frac{x^{3} \log \left (c x^{2} + 1\right )}{c^{2} x^{4} - 1}\,{d x} + \frac{c x^{2} \log \left (c x^{2} + 1\right )^{2} + 2 \,{\left (c x^{2} -{\left (c x^{2} + 1\right )} \log \left (c x^{2} + 1\right )\right )} \log \left (-c x^{2} + 1\right )}{c} + \frac{2 \, c x^{2} + \log \left (c x^{2} - 1\right )^{2} + 2 \, \log \left (c x^{2} - 1\right )}{c} - \frac{\log \left (c^{2} x^{4} - 1\right )}{c} + 4 \, \int \frac{x \log \left (c x^{2} + 1\right )}{c^{2} x^{4} - 1}\,{d x}\right )} b^{2} + \frac{{\left (2 \, c x^{2} \operatorname{artanh}\left (c x^{2}\right ) + \log \left (-c^{2} x^{4} + 1\right )\right )} a b}{2 \, c} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (b^{2} x \operatorname{artanh}\left (c x^{2}\right )^{2} + 2 \, a b x \operatorname{artanh}\left (c x^{2}\right ) + a^{2} x, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x \left (a + b \operatorname{atanh}{\left (c x^{2} \right )}\right )^{2}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b \operatorname{artanh}\left (c x^{2}\right ) + a\right )}^{2} x\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]