Optimal. Leaf size=390 \[ -\frac{i \text{PolyLog}\left (2,1+\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (-\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{4 \sqrt{c} \sqrt{d}}+\frac{i \text{PolyLog}\left (2,1-\frac{2 \sqrt{c} \sqrt{d} (a x+1)}{\left (\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{4 \sqrt{c} \sqrt{d}}-\frac{\log \left (1-\frac{1}{a x}\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\log \left (\frac{1}{a x}+1\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (-\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (-\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}}-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (\frac{2 \sqrt{c} \sqrt{d} (a x+1)}{\left (\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.946685, antiderivative size = 390, normalized size of antiderivative = 1., number of steps used = 27, number of rules used = 13, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.929, Rules used = {5973, 205, 2470, 12, 260, 6688, 4876, 4848, 2391, 4856, 2402, 2315, 2447} \[ -\frac{i \text{PolyLog}\left (2,1+\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (-\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{4 \sqrt{c} \sqrt{d}}+\frac{i \text{PolyLog}\left (2,1-\frac{2 \sqrt{c} \sqrt{d} (a x+1)}{\left (\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{4 \sqrt{c} \sqrt{d}}-\frac{\log \left (1-\frac{1}{a x}\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\log \left (\frac{1}{a x}+1\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (-\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (-\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}}-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (\frac{2 \sqrt{c} \sqrt{d} (a x+1)}{\left (\sqrt{d}+i a \sqrt{c}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 5973
Rule 205
Rule 2470
Rule 12
Rule 260
Rule 6688
Rule 4876
Rule 4848
Rule 2391
Rule 4856
Rule 2402
Rule 2315
Rule 2447
Rubi steps
\begin{align*} \int \frac{\coth ^{-1}(a x)}{c+d x^2} \, dx &=-\left (\frac{1}{2} \int \frac{\log \left (1-\frac{1}{a x}\right )}{c+d x^2} \, dx\right )+\frac{1}{2} \int \frac{\log \left (1+\frac{1}{a x}\right )}{c+d x^2} \, dx\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{\sqrt{c} \sqrt{d} \left (1-\frac{1}{a x}\right ) x^2} \, dx}{2 a}+\frac{\int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{\sqrt{c} \sqrt{d} \left (1+\frac{1}{a x}\right ) x^2} \, dx}{2 a}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{\left (1-\frac{1}{a x}\right ) x^2} \, dx}{2 a \sqrt{c} \sqrt{d}}+\frac{\int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{\left (1+\frac{1}{a x}\right ) x^2} \, dx}{2 a \sqrt{c} \sqrt{d}}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\int \frac{a \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{x (-1+a x)} \, dx}{2 a \sqrt{c} \sqrt{d}}+\frac{\int \frac{a \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{x (1+a x)} \, dx}{2 a \sqrt{c} \sqrt{d}}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{x (-1+a x)} \, dx}{2 \sqrt{c} \sqrt{d}}+\frac{\int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{x (1+a x)} \, dx}{2 \sqrt{c} \sqrt{d}}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\int \left (-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{x}+\frac{a \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{-1+a x}\right ) \, dx}{2 \sqrt{c} \sqrt{d}}+\frac{\int \left (\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{x}-\frac{a \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{1+a x}\right ) \, dx}{2 \sqrt{c} \sqrt{d}}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{a \int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{-1+a x} \, dx}{2 \sqrt{c} \sqrt{d}}-\frac{a \int \frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{1+a x} \, dx}{2 \sqrt{c} \sqrt{d}}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (-\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (i a \sqrt{c}-\sqrt{d}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}}-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (\frac{2 \sqrt{c} \sqrt{d} (1+a x)}{\left (i a \sqrt{c}+\sqrt{d}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}}-\frac{\int \frac{\log \left (\frac{2 \sqrt{d} (-1+a x)}{\sqrt{c} \left (i a-\frac{\sqrt{d}}{\sqrt{c}}\right ) \left (1-\frac{i \sqrt{d} x}{\sqrt{c}}\right )}\right )}{1+\frac{d x^2}{c}} \, dx}{2 c}+\frac{\int \frac{\log \left (\frac{2 \sqrt{d} (1+a x)}{\sqrt{c} \left (i a+\frac{\sqrt{d}}{\sqrt{c}}\right ) \left (1-\frac{i \sqrt{d} x}{\sqrt{c}}\right )}\right )}{1+\frac{d x^2}{c}} \, dx}{2 c}\\ &=-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1-\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (1+\frac{1}{a x}\right )}{2 \sqrt{c} \sqrt{d}}+\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (-\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (i a \sqrt{c}-\sqrt{d}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}}-\frac{\tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right ) \log \left (\frac{2 \sqrt{c} \sqrt{d} (1+a x)}{\left (i a \sqrt{c}+\sqrt{d}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{2 \sqrt{c} \sqrt{d}}-\frac{i \text{Li}_2\left (1+\frac{2 \sqrt{c} \sqrt{d} (1-a x)}{\left (i a \sqrt{c}-\sqrt{d}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{4 \sqrt{c} \sqrt{d}}+\frac{i \text{Li}_2\left (1-\frac{2 \sqrt{c} \sqrt{d} (1+a x)}{\left (i a \sqrt{c}+\sqrt{d}\right ) \left (\sqrt{c}-i \sqrt{d} x\right )}\right )}{4 \sqrt{c} \sqrt{d}}\\ \end{align*}
Mathematica [A] time = 1.34434, size = 671, normalized size = 1.72 \[ \frac{a \left (i \left (\text{PolyLog}\left (2,\frac{\left (2 i \sqrt{a^2 c d}+a^2 c-d\right ) \left (\sqrt{a^2 c d}+i a d x\right )}{\left (a^2 c+d\right ) \left (\sqrt{a^2 c d}-i a d x\right )}\right )-\text{PolyLog}\left (2,\frac{\left (-2 i \sqrt{a^2 c d}+a^2 c-d\right ) \left (\sqrt{a^2 c d}+i a d x\right )}{\left (a^2 c+d\right ) \left (\sqrt{a^2 c d}-i a d x\right )}\right )\right )-2 i \cos ^{-1}\left (\frac{a^2 c-d}{a^2 c+d}\right ) \tan ^{-1}\left (\frac{a c}{x \sqrt{a^2 c d}}\right )+4 \coth ^{-1}(a x) \tan ^{-1}\left (\frac{a d x}{\sqrt{a^2 c d}}\right )-\log \left (\frac{2 d (a x-1) \left (a^2 c-i \sqrt{a^2 c d}\right )}{\left (a^2 c+d\right ) \left (a d x+i \sqrt{a^2 c d}\right )}\right ) \left (2 \tan ^{-1}\left (\frac{a c}{x \sqrt{a^2 c d}}\right )+\cos ^{-1}\left (\frac{a^2 c-d}{a^2 c+d}\right )\right )-\log \left (\frac{2 d (a x+1) \left (a^2 c+i \sqrt{a^2 c d}\right )}{\left (a^2 c+d\right ) \left (a d x+i \sqrt{a^2 c d}\right )}\right ) \left (\cos ^{-1}\left (\frac{a^2 c-d}{a^2 c+d}\right )-2 \tan ^{-1}\left (\frac{a c}{x \sqrt{a^2 c d}}\right )\right )+\left (2 \left (\tan ^{-1}\left (\frac{a c}{x \sqrt{a^2 c d}}\right )+\tan ^{-1}\left (\frac{a d x}{\sqrt{a^2 c d}}\right )\right )+\cos ^{-1}\left (\frac{a^2 c-d}{a^2 c+d}\right )\right ) \log \left (\frac{\sqrt{2} \sqrt{a^2 c d} e^{-\coth ^{-1}(a x)}}{\sqrt{a^2 c+d} \sqrt{\left (a^2 c+d\right ) \cosh \left (2 \coth ^{-1}(a x)\right )+a^2 (-c)+d}}\right )+\left (\cos ^{-1}\left (\frac{a^2 c-d}{a^2 c+d}\right )-2 \left (\tan ^{-1}\left (\frac{a c}{x \sqrt{a^2 c d}}\right )+\tan ^{-1}\left (\frac{a d x}{\sqrt{a^2 c d}}\right )\right )\right ) \log \left (\frac{\sqrt{2} \sqrt{a^2 c d} e^{\coth ^{-1}(a x)}}{\sqrt{a^2 c+d} \sqrt{\left (a^2 c+d\right ) \cosh \left (2 \coth ^{-1}(a x)\right )+a^2 (-c)+d}}\right )\right )}{4 \sqrt{a^2 c d}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [B] time = 0.218, size = 785, normalized size = 2. \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \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 (\frac{\operatorname{arcoth}\left (a x\right )}{d x^{2} + c}, 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 \frac{\operatorname{acoth}{\left (a x \right )}}{c + d x^{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 \frac{\operatorname{arcoth}\left (a x\right )}{d x^{2} + c}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]