Optimal. Leaf size=481 \[ \frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {PolyLog}\left (2,-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {PolyLog}\left (2,\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {PolyLog}\left (2,-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {PolyLog}\left (2,\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}} \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.55, antiderivative size = 481, normalized size of antiderivative = 1.00, number of steps
used = 18, number of rules used = 6, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.429, Rules used = {5909, 5962,
5681, 2221, 2317, 2438} \begin {gather*} -\frac {\text {Li}_2\left (-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-c a^2-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Li}_2\left (\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-c a^2-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Li}_2\left (-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{\sqrt {-c} a+\sqrt {-c a^2-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Li}_2\left (\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{\sqrt {-c} a+\sqrt {-c a^2-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {a^2 (-c)-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {a^2 (-c)-d}}+1\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{\sqrt {a^2 (-c)-d}+a \sqrt {-c}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{\sqrt {a^2 (-c)-d}+a \sqrt {-c}}+1\right )}{2 \sqrt {-c} \sqrt {d}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 2221
Rule 2317
Rule 2438
Rule 5681
Rule 5909
Rule 5962
Rubi steps
\begin {align*} \int \frac {\cosh ^{-1}(a x)}{c+d x^2} \, dx &=\int \left (\frac {\sqrt {-c} \cosh ^{-1}(a x)}{2 c \left (\sqrt {-c}-\sqrt {d} x\right )}+\frac {\sqrt {-c} \cosh ^{-1}(a x)}{2 c \left (\sqrt {-c}+\sqrt {d} x\right )}\right ) \, dx\\ &=-\frac {\int \frac {\cosh ^{-1}(a x)}{\sqrt {-c}-\sqrt {d} x} \, dx}{2 \sqrt {-c}}-\frac {\int \frac {\cosh ^{-1}(a x)}{\sqrt {-c}+\sqrt {d} x} \, dx}{2 \sqrt {-c}}\\ &=-\frac {\text {Subst}\left (\int \frac {x \sinh (x)}{a \sqrt {-c}-\sqrt {d} \cosh (x)} \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c}}-\frac {\text {Subst}\left (\int \frac {x \sinh (x)}{a \sqrt {-c}+\sqrt {d} \cosh (x)} \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c}}\\ &=-\frac {\text {Subst}\left (\int \frac {e^x x}{a \sqrt {-c}-\sqrt {-a^2 c-d}-\sqrt {d} e^x} \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c}}-\frac {\text {Subst}\left (\int \frac {e^x x}{a \sqrt {-c}+\sqrt {-a^2 c-d}-\sqrt {d} e^x} \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c}}-\frac {\text {Subst}\left (\int \frac {e^x x}{a \sqrt {-c}-\sqrt {-a^2 c-d}+\sqrt {d} e^x} \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c}}-\frac {\text {Subst}\left (\int \frac {e^x x}{a \sqrt {-c}+\sqrt {-a^2 c-d}+\sqrt {d} e^x} \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c}}\\ &=\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Subst}\left (\int \log \left (1-\frac {\sqrt {d} e^x}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Subst}\left (\int \log \left (1+\frac {\sqrt {d} e^x}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Subst}\left (\int \log \left (1-\frac {\sqrt {d} e^x}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Subst}\left (\int \log \left (1+\frac {\sqrt {d} e^x}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {-c} \sqrt {d}}\\ &=\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Subst}\left (\int \frac {\log \left (1-\frac {\sqrt {d} x}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{x} \, dx,x,e^{\cosh ^{-1}(a x)}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Subst}\left (\int \frac {\log \left (1+\frac {\sqrt {d} x}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{x} \, dx,x,e^{\cosh ^{-1}(a x)}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Subst}\left (\int \frac {\log \left (1-\frac {\sqrt {d} x}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{x} \, dx,x,e^{\cosh ^{-1}(a x)}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Subst}\left (\int \frac {\log \left (1+\frac {\sqrt {d} x}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{x} \, dx,x,e^{\cosh ^{-1}(a x)}\right )}{2 \sqrt {-c} \sqrt {d}}\\ &=\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Li}_2\left (-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Li}_2\left (\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}-\frac {\text {Li}_2\left (-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}+\frac {\text {Li}_2\left (\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 0.27, size = 375, normalized size = 0.78 \begin {gather*} \frac {-\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )+\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{-a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )+\cosh ^{-1}(a x) \log \left (1-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )-\cosh ^{-1}(a x) \log \left (1+\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )+\text {PolyLog}\left (2,\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}-\sqrt {-a^2 c-d}}\right )-\text {PolyLog}\left (2,\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{-a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )-\text {PolyLog}\left (2,-\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )+\text {PolyLog}\left (2,\frac {\sqrt {d} e^{\cosh ^{-1}(a x)}}{a \sqrt {-c}+\sqrt {-a^2 c-d}}\right )}{2 \sqrt {-c} \sqrt {d}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
4.
time = 14.84, size = 222, normalized size = 0.46
method | result | size |
derivativedivides | \(\frac {\frac {a^{2} \left (\munderset {\textit {\_R1} =\RootOf \left (d \,\textit {\_Z}^{4}+\left (4 a^{2} c +2 d \right ) \textit {\_Z}^{2}+d \right )}{\sum }\frac {\textit {\_R1} \left (\mathrm {arccosh}\left (a x \right ) \ln \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )+\dilog \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )\right )}{d \,\textit {\_R1}^{2}+2 a^{2} c +d}\right )}{2}-\frac {a^{2} \left (\munderset {\textit {\_R1} =\RootOf \left (d \,\textit {\_Z}^{4}+\left (4 a^{2} c +2 d \right ) \textit {\_Z}^{2}+d \right )}{\sum }\frac {\mathrm {arccosh}\left (a x \right ) \ln \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )+\dilog \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )}{\textit {\_R1} \left (d \,\textit {\_R1}^{2}+2 a^{2} c +d \right )}\right )}{2}}{a}\) | \(222\) |
default | \(\frac {\frac {a^{2} \left (\munderset {\textit {\_R1} =\RootOf \left (d \,\textit {\_Z}^{4}+\left (4 a^{2} c +2 d \right ) \textit {\_Z}^{2}+d \right )}{\sum }\frac {\textit {\_R1} \left (\mathrm {arccosh}\left (a x \right ) \ln \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )+\dilog \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )\right )}{d \,\textit {\_R1}^{2}+2 a^{2} c +d}\right )}{2}-\frac {a^{2} \left (\munderset {\textit {\_R1} =\RootOf \left (d \,\textit {\_Z}^{4}+\left (4 a^{2} c +2 d \right ) \textit {\_Z}^{2}+d \right )}{\sum }\frac {\mathrm {arccosh}\left (a x \right ) \ln \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )+\dilog \left (\frac {\textit {\_R1} -a x -\sqrt {a x -1}\, \sqrt {a x +1}}{\textit {\_R1}}\right )}{\textit {\_R1} \left (d \,\textit {\_R1}^{2}+2 a^{2} c +d \right )}\right )}{2}}{a}\) | \(222\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\operatorname {acosh}{\left (a x \right )}}{c + d x^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {\mathrm {acosh}\left (a\,x\right )}{d\,x^2+c} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________