Optimal. Leaf size=296 \[ \frac {a \sqrt {-1+a x} \cosh ^{-1}(a x)}{x \sqrt {1-a x}}-\frac {\sqrt {1-a^2 x^2} \cosh ^{-1}(a x)^2}{2 x^2}+\frac {a^2 \sqrt {-1+a x} \cosh ^{-1}(a x)^2 \text {ArcTan}\left (e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}-\frac {a^2 \sqrt {-1+a x} \text {ArcTan}\left (\sqrt {-1+a x} \sqrt {1+a x}\right )}{\sqrt {1-a x}}-\frac {i a^2 \sqrt {-1+a x} \cosh ^{-1}(a x) \text {PolyLog}\left (2,-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}+\frac {i a^2 \sqrt {-1+a x} \cosh ^{-1}(a x) \text {PolyLog}\left (2,i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}+\frac {i a^2 \sqrt {-1+a x} \text {PolyLog}\left (3,-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}-\frac {i a^2 \sqrt {-1+a x} \text {PolyLog}\left (3,i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}} \]
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Rubi [A]
time = 0.21, antiderivative size = 296, normalized size of antiderivative = 1.00, number of steps
used = 12, number of rules used = 9, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.375, Rules used = {5932, 5946,
4265, 2611, 2320, 6724, 5883, 94, 211} \begin {gather*} -\frac {a^2 \sqrt {a x-1} \text {ArcTan}\left (\sqrt {a x-1} \sqrt {a x+1}\right )}{\sqrt {1-a x}}+\frac {a^2 \sqrt {a x-1} \cosh ^{-1}(a x)^2 \text {ArcTan}\left (e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}-\frac {i a^2 \sqrt {a x-1} \cosh ^{-1}(a x) \text {Li}_2\left (-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}+\frac {i a^2 \sqrt {a x-1} \cosh ^{-1}(a x) \text {Li}_2\left (i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}+\frac {i a^2 \sqrt {a x-1} \text {Li}_3\left (-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}-\frac {i a^2 \sqrt {a x-1} \text {Li}_3\left (i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a x}}-\frac {\sqrt {1-a^2 x^2} \cosh ^{-1}(a x)^2}{2 x^2}+\frac {a \sqrt {a x-1} \cosh ^{-1}(a x)}{x \sqrt {1-a x}} \end {gather*}
Antiderivative was successfully verified.
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Rule 94
Rule 211
Rule 2320
Rule 2611
Rule 4265
Rule 5883
Rule 5932
Rule 5946
Rule 6724
Rubi steps
\begin {align*} \int \frac {\cosh ^{-1}(a x)^2}{x^3 \sqrt {1-a^2 x^2}} \, dx &=\frac {\left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {\cosh ^{-1}(a x)^2}{x^3 \sqrt {-1+a x} \sqrt {1+a x}} \, dx}{\sqrt {1-a^2 x^2}}\\ &=-\frac {(1-a x) (1+a x) \cosh ^{-1}(a x)^2}{2 x^2 \sqrt {1-a^2 x^2}}-\frac {\left (a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {\cosh ^{-1}(a x)}{x^2} \, dx}{\sqrt {1-a^2 x^2}}+\frac {\left (a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {\cosh ^{-1}(a x)^2}{x \sqrt {-1+a x} \sqrt {1+a x}} \, dx}{2 \sqrt {1-a^2 x^2}}\\ &=\frac {a \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)}{x \sqrt {1-a^2 x^2}}-\frac {(1-a x) (1+a x) \cosh ^{-1}(a x)^2}{2 x^2 \sqrt {1-a^2 x^2}}+\frac {\left (a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int x^2 \text {sech}(x) \, dx,x,\cosh ^{-1}(a x)\right )}{2 \sqrt {1-a^2 x^2}}-\frac {\left (a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {1}{x \sqrt {-1+a x} \sqrt {1+a x}} \, dx}{\sqrt {1-a^2 x^2}}\\ &=\frac {a \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)}{x \sqrt {1-a^2 x^2}}-\frac {(1-a x) (1+a x) \cosh ^{-1}(a x)^2}{2 x^2 \sqrt {1-a^2 x^2}}+\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)^2 \tan ^{-1}\left (e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}-\frac {\left (i a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int x \log \left (1-i e^x\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{\sqrt {1-a^2 x^2}}+\frac {\left (i a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int x \log \left (1+i e^x\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{\sqrt {1-a^2 x^2}}-\frac {\left (a^3 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {1}{a+a x^2} \, dx,x,\sqrt {-1+a x} \sqrt {1+a x}\right )}{\sqrt {1-a^2 x^2}}\\ &=\frac {a \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)}{x \sqrt {1-a^2 x^2}}-\frac {(1-a x) (1+a x) \cosh ^{-1}(a x)^2}{2 x^2 \sqrt {1-a^2 x^2}}+\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)^2 \tan ^{-1}\left (e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}-\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \tan ^{-1}\left (\sqrt {-1+a x} \sqrt {1+a x}\right )}{\sqrt {1-a^2 x^2}}-\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x) \text {Li}_2\left (-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}+\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x) \text {Li}_2\left (i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}+\frac {\left (i a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \text {Li}_2\left (-i e^x\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{\sqrt {1-a^2 x^2}}-\frac {\left (i a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \text {Li}_2\left (i e^x\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{\sqrt {1-a^2 x^2}}\\ &=\frac {a \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)}{x \sqrt {1-a^2 x^2}}-\frac {(1-a x) (1+a x) \cosh ^{-1}(a x)^2}{2 x^2 \sqrt {1-a^2 x^2}}+\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)^2 \tan ^{-1}\left (e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}-\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \tan ^{-1}\left (\sqrt {-1+a x} \sqrt {1+a x}\right )}{\sqrt {1-a^2 x^2}}-\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x) \text {Li}_2\left (-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}+\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x) \text {Li}_2\left (i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}+\frac {\left (i a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {\text {Li}_2(-i x)}{x} \, dx,x,e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}-\frac {\left (i a^2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {\text {Li}_2(i x)}{x} \, dx,x,e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}\\ &=\frac {a \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)}{x \sqrt {1-a^2 x^2}}-\frac {(1-a x) (1+a x) \cosh ^{-1}(a x)^2}{2 x^2 \sqrt {1-a^2 x^2}}+\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x)^2 \tan ^{-1}\left (e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}-\frac {a^2 \sqrt {-1+a x} \sqrt {1+a x} \tan ^{-1}\left (\sqrt {-1+a x} \sqrt {1+a x}\right )}{\sqrt {1-a^2 x^2}}-\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x) \text {Li}_2\left (-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}+\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \cosh ^{-1}(a x) \text {Li}_2\left (i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}+\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \text {Li}_3\left (-i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}-\frac {i a^2 \sqrt {-1+a x} \sqrt {1+a x} \text {Li}_3\left (i e^{\cosh ^{-1}(a x)}\right )}{\sqrt {1-a^2 x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.72, size = 233, normalized size = 0.79 \begin {gather*} \frac {i a^2 \sqrt {-((-1+a x) (1+a x))} \left (\frac {2 i \cosh ^{-1}(a x)}{a x}+\frac {i \sqrt {\frac {-1+a x}{1+a x}} (1+a x) \cosh ^{-1}(a x)^2}{a^2 x^2}-4 i \text {ArcTan}\left (\tanh \left (\frac {1}{2} \cosh ^{-1}(a x)\right )\right )+\cosh ^{-1}(a x)^2 \log \left (1-i e^{-\cosh ^{-1}(a x)}\right )-\cosh ^{-1}(a x)^2 \log \left (1+i e^{-\cosh ^{-1}(a x)}\right )+2 \cosh ^{-1}(a x) \text {PolyLog}\left (2,-i e^{-\cosh ^{-1}(a x)}\right )-2 \cosh ^{-1}(a x) \text {PolyLog}\left (2,i e^{-\cosh ^{-1}(a x)}\right )+2 \text {PolyLog}\left (3,-i e^{-\cosh ^{-1}(a x)}\right )-2 \text {PolyLog}\left (3,i e^{-\cosh ^{-1}(a x)}\right )\right )}{2 \sqrt {\frac {-1+a x}{1+a x}} (1+a x)} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [F]
time = 3.33, size = 0, normalized size = 0.00 \[\int \frac {\mathrm {arccosh}\left (a x \right )^{2}}{x^{3} \sqrt {-a^{2} x^{2}+1}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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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.
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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.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\operatorname {acosh}^{2}{\left (a x \right )}}{x^{3} \sqrt {- \left (a x - 1\right ) \left (a x + 1\right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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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.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\mathrm {acosh}\left (a\,x\right )}^2}{x^3\,\sqrt {1-a^2\,x^2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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