Optimal. Leaf size=251 \[ \frac{b \text{PolyLog}\left (2,1-\frac{2}{a+b x+1}\right )}{1-a^2}-\frac{b \text{PolyLog}\left (2,1-\frac{2 b x}{(1-a) (a+b x+1)}\right )}{1-a^2}+\frac{b \text{PolyLog}\left (2,-\frac{a+b x+1}{-a-b x+1}\right )}{2 (1-a)}-\frac{b \text{PolyLog}\left (2,1-\frac{2}{a+b x+1}\right )}{2 (a+1)}-\frac{2 b \log \left (\frac{2}{a+b x+1}\right ) \coth ^{-1}(a+b x)}{1-a^2}+\frac{2 b \log \left (\frac{2 b x}{(1-a) (a+b x+1)}\right ) \coth ^{-1}(a+b x)}{1-a^2}-\frac{\coth ^{-1}(a+b x)^2}{x}+\frac{b \log \left (\frac{2}{-a-b x+1}\right ) \coth ^{-1}(a+b x)}{1-a}+\frac{b \log \left (\frac{2}{a+b x+1}\right ) \coth ^{-1}(a+b x)}{a+1} \]
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Rubi [A] time = 0.719278, antiderivative size = 251, normalized size of antiderivative = 1., number of steps used = 17, number of rules used = 15, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 1.25, Rules used = {6110, 371, 706, 31, 633, 6741, 6122, 6688, 12, 6725, 5921, 2402, 2315, 2447, 5919} \[ \frac{b \text{PolyLog}\left (2,1-\frac{2}{a+b x+1}\right )}{1-a^2}-\frac{b \text{PolyLog}\left (2,1-\frac{2 b x}{(1-a) (a+b x+1)}\right )}{1-a^2}+\frac{b \text{PolyLog}\left (2,-\frac{a+b x+1}{-a-b x+1}\right )}{2 (1-a)}-\frac{b \text{PolyLog}\left (2,1-\frac{2}{a+b x+1}\right )}{2 (a+1)}-\frac{2 b \log \left (\frac{2}{a+b x+1}\right ) \coth ^{-1}(a+b x)}{1-a^2}+\frac{2 b \log \left (\frac{2 b x}{(1-a) (a+b x+1)}\right ) \coth ^{-1}(a+b x)}{1-a^2}-\frac{\coth ^{-1}(a+b x)^2}{x}+\frac{b \log \left (\frac{2}{-a-b x+1}\right ) \coth ^{-1}(a+b x)}{1-a}+\frac{b \log \left (\frac{2}{a+b x+1}\right ) \coth ^{-1}(a+b x)}{a+1} \]
Antiderivative was successfully verified.
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Rule 6110
Rule 371
Rule 706
Rule 31
Rule 633
Rule 6741
Rule 6122
Rule 6688
Rule 12
Rule 6725
Rule 5921
Rule 2402
Rule 2315
Rule 2447
Rule 5919
Rubi steps
\begin{align*} \int \frac{\coth ^{-1}(a+b x)^2}{x^2} \, dx &=-\frac{\coth ^{-1}(a+b x)^2}{x}+(2 b) \int \frac{\coth ^{-1}(a+b x)}{x \left (1-(a+b x)^2\right )} \, dx\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+(2 b) \int \frac{\coth ^{-1}(a+b x)}{x \left (1-a^2-2 a b x-b^2 x^2\right )} \, dx\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+2 \operatorname{Subst}\left (\int \frac{\coth ^{-1}(x)}{\left (-\frac{a}{b}+\frac{x}{b}\right ) \left (1-x^2\right )} \, dx,x,a+b x\right )\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+2 \operatorname{Subst}\left (\int \frac{b \coth ^{-1}(x)}{(-a+x) \left (1-x^2\right )} \, dx,x,a+b x\right )\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+(2 b) \operatorname{Subst}\left (\int \frac{\coth ^{-1}(x)}{(-a+x) \left (1-x^2\right )} \, dx,x,a+b x\right )\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+(2 b) \operatorname{Subst}\left (\int \left (\frac{\coth ^{-1}(x)}{\left (-1+a^2\right ) (a-x)}+\frac{\coth ^{-1}(x)}{2 (-1+a) (-1+x)}-\frac{\coth ^{-1}(x)}{2 (1+a) (1+x)}\right ) \, dx,x,a+b x\right )\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}-\frac{b \operatorname{Subst}\left (\int \frac{\coth ^{-1}(x)}{-1+x} \, dx,x,a+b x\right )}{1-a}-\frac{b \operatorname{Subst}\left (\int \frac{\coth ^{-1}(x)}{1+x} \, dx,x,a+b x\right )}{1+a}-\frac{(2 b) \operatorname{Subst}\left (\int \frac{\coth ^{-1}(x)}{a-x} \, dx,x,a+b x\right )}{1-a^2}\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+\frac{b \coth ^{-1}(a+b x) \log \left (\frac{2}{1-a-b x}\right )}{1-a}+\frac{b \coth ^{-1}(a+b x) \log \left (\frac{2}{1+a+b x}\right )}{1+a}-\frac{2 b \coth ^{-1}(a+b x) \log \left (\frac{2}{1+a+b x}\right )}{1-a^2}+\frac{2 b \coth ^{-1}(a+b x) \log \left (\frac{2 b x}{(1-a) (1+a+b x)}\right )}{1-a^2}-\frac{b \operatorname{Subst}\left (\int \frac{\log \left (\frac{2}{1-x}\right )}{1-x^2} \, dx,x,a+b x\right )}{1-a}-\frac{b \operatorname{Subst}\left (\int \frac{\log \left (\frac{2}{1+x}\right )}{1-x^2} \, dx,x,a+b x\right )}{1+a}+\frac{(2 b) \operatorname{Subst}\left (\int \frac{\log \left (\frac{2}{1+x}\right )}{1-x^2} \, dx,x,a+b x\right )}{1-a^2}-\frac{(2 b) \operatorname{Subst}\left (\int \frac{\log \left (\frac{2 (a-x)}{(-1+a) (1+x)}\right )}{1-x^2} \, dx,x,a+b x\right )}{1-a^2}\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+\frac{b \coth ^{-1}(a+b x) \log \left (\frac{2}{1-a-b x}\right )}{1-a}+\frac{b \coth ^{-1}(a+b x) \log \left (\frac{2}{1+a+b x}\right )}{1+a}-\frac{2 b \coth ^{-1}(a+b x) \log \left (\frac{2}{1+a+b x}\right )}{1-a^2}+\frac{2 b \coth ^{-1}(a+b x) \log \left (\frac{2 b x}{(1-a) (1+a+b x)}\right )}{1-a^2}-\frac{b \text{Li}_2\left (1-\frac{2 b x}{(1-a) (1+a+b x)}\right )}{1-a^2}+\frac{b \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1-a-b x}\right )}{1-a}-\frac{b \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+a+b x}\right )}{1+a}+\frac{(2 b) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+a+b x}\right )}{1-a^2}\\ &=-\frac{\coth ^{-1}(a+b x)^2}{x}+\frac{b \coth ^{-1}(a+b x) \log \left (\frac{2}{1-a-b x}\right )}{1-a}+\frac{b \coth ^{-1}(a+b x) \log \left (\frac{2}{1+a+b x}\right )}{1+a}-\frac{2 b \coth ^{-1}(a+b x) \log \left (\frac{2}{1+a+b x}\right )}{1-a^2}+\frac{2 b \coth ^{-1}(a+b x) \log \left (\frac{2 b x}{(1-a) (1+a+b x)}\right )}{1-a^2}+\frac{b \text{Li}_2\left (1-\frac{2}{1-a-b x}\right )}{2 (1-a)}-\frac{b \text{Li}_2\left (1-\frac{2}{1+a+b x}\right )}{2 (1+a)}+\frac{b \text{Li}_2\left (1-\frac{2}{1+a+b x}\right )}{1-a^2}-\frac{b \text{Li}_2\left (1-\frac{2 b x}{(1-a) (1+a+b x)}\right )}{1-a^2}\\ \end{align*}
Mathematica [C] time = 1.04006, size = 206, normalized size = 0.82 \[ \frac{b x \text{PolyLog}\left (2,e^{2 \tanh ^{-1}\left (\frac{1}{a}\right )-2 \coth ^{-1}(a+b x)}\right )-\left (\sqrt{1-\frac{1}{a^2}} a b x e^{\tanh ^{-1}\left (\frac{1}{a}\right )}+a^2-1\right ) \coth ^{-1}(a+b x)^2+b x \coth ^{-1}(a+b x) \left (-2 \log \left (1-e^{2 \tanh ^{-1}\left (\frac{1}{a}\right )-2 \coth ^{-1}(a+b x)}\right )+2 \tanh ^{-1}\left (\frac{1}{a}\right )-i \pi \right )+b x \left (i \pi \left (\log \left (e^{2 \coth ^{-1}(a+b x)}+1\right )-\log \left (\frac{1}{\sqrt{1-\frac{1}{(a+b x)^2}}}\right )\right )+2 \tanh ^{-1}\left (\frac{1}{a}\right ) \left (\log \left (1-e^{2 \tanh ^{-1}\left (\frac{1}{a}\right )-2 \coth ^{-1}(a+b x)}\right )-\log \left (i \sinh \left (\coth ^{-1}(a+b x)-\tanh ^{-1}\left (\frac{1}{a}\right )\right )\right )\right )\right )}{\left (a^2-1\right ) x} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.096, size = 342, normalized size = 1.4 \begin{align*} -{\frac{ \left ({\rm arccoth} \left (bx+a\right ) \right ) ^{2}}{x}}+2\,{\frac{b{\rm arccoth} \left (bx+a\right )\ln \left ( bx+a-1 \right ) }{2\,a-2}}-2\,{\frac{b{\rm arccoth} \left (bx+a\right )\ln \left ( bx \right ) }{ \left ( 1+a \right ) \left ( a-1 \right ) }}-2\,{\frac{b{\rm arccoth} \left (bx+a\right )\ln \left ( bx+a+1 \right ) }{2+2\,a}}+{\frac{b}{ \left ( 1+a \right ) \left ( a-1 \right ) }{\it dilog} \left ({\frac{bx+a+1}{1+a}} \right ) }+{\frac{b\ln \left ( bx \right ) }{ \left ( 1+a \right ) \left ( a-1 \right ) }\ln \left ({\frac{bx+a+1}{1+a}} \right ) }-{\frac{b}{ \left ( 1+a \right ) \left ( a-1 \right ) }{\it dilog} \left ({\frac{bx+a-1}{a-1}} \right ) }-{\frac{b\ln \left ( bx \right ) }{ \left ( 1+a \right ) \left ( a-1 \right ) }\ln \left ({\frac{bx+a-1}{a-1}} \right ) }+{\frac{b}{2+2\,a}\ln \left ( -{\frac{bx}{2}}-{\frac{a}{2}}+{\frac{1}{2}} \right ) \ln \left ({\frac{1}{2}}+{\frac{bx}{2}}+{\frac{a}{2}} \right ) }-{\frac{b\ln \left ( bx+a+1 \right ) }{2+2\,a}\ln \left ( -{\frac{bx}{2}}-{\frac{a}{2}}+{\frac{1}{2}} \right ) }+{\frac{b}{2+2\,a}{\it dilog} \left ({\frac{1}{2}}+{\frac{bx}{2}}+{\frac{a}{2}} \right ) }+{\frac{b \left ( \ln \left ( bx+a+1 \right ) \right ) ^{2}}{4+4\,a}}+{\frac{b \left ( \ln \left ( bx+a-1 \right ) \right ) ^{2}}{4\,a-4}}-{\frac{b}{2\,a-2}{\it dilog} \left ({\frac{1}{2}}+{\frac{bx}{2}}+{\frac{a}{2}} \right ) }-{\frac{b\ln \left ( bx+a-1 \right ) }{2\,a-2}\ln \left ({\frac{1}{2}}+{\frac{bx}{2}}+{\frac{a}{2}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.02835, size = 329, normalized size = 1.31 \begin{align*} \frac{1}{4} \, b^{2}{\left (\frac{{\left (a - 1\right )} \log \left (b x + a + 1\right )^{2} - 2 \,{\left (a - 1\right )} \log \left (b x + a + 1\right ) \log \left (b x + a - 1\right ) +{\left (a + 1\right )} \log \left (b x + a - 1\right )^{2}}{a^{2} b - b} - \frac{4 \,{\left (\log \left (b x + a - 1\right ) \log \left (\frac{1}{2} \, b x + \frac{1}{2} \, a + \frac{1}{2}\right ) +{\rm Li}_2\left (-\frac{1}{2} \, b x - \frac{1}{2} \, a + \frac{1}{2}\right )\right )}}{a^{2} b - b} + \frac{4 \,{\left (\log \left (\frac{b x}{a + 1} + 1\right ) \log \left (x\right ) +{\rm Li}_2\left (-\frac{b x}{a + 1}\right )\right )}}{a^{2} b - b} - \frac{4 \,{\left (\log \left (\frac{b x}{a - 1} + 1\right ) \log \left (x\right ) +{\rm Li}_2\left (-\frac{b x}{a - 1}\right )\right )}}{a^{2} b - b}\right )} - b{\left (\frac{\log \left (b x + a + 1\right )}{a + 1} - \frac{\log \left (b x + a - 1\right )}{a - 1} + \frac{2 \, \log \left (x\right )}{a^{2} - 1}\right )} \operatorname{arcoth}\left (b x + a\right ) - \frac{\operatorname{arcoth}\left (b x + a\right )^{2}}{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{\operatorname{arcoth}\left (b x + a\right )^{2}}{x^{2}}, 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{\operatorname{acoth}^{2}{\left (a + b x \right )}}{x^{2}}\, 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{\operatorname{arcoth}\left (b x + a\right )^{2}}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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