Optimal. Leaf size=274 \[ \frac{1088 x^3}{16875 a^2}+\frac{16 x^3 \cosh ^{-1}(a x)^2}{75 a^2}-\frac{16 x^2 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{1088 x^2 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)}{5625 a^3}+\frac{16576 x}{5625 a^4}+\frac{32 x \cosh ^{-1}(a x)^2}{25 a^4}-\frac{32 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)^3}{75 a^5}-\frac{16576 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)}{5625 a^5}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4+\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{4 x^4 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)^3}{25 a}-\frac{24 x^4 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)}{625 a}+\frac{24 x^5}{3125} \]
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Rubi [A] time = 1.62758, antiderivative size = 274, normalized size of antiderivative = 1., number of steps used = 19, number of rules used = 6, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.6, Rules used = {5662, 5759, 5718, 5654, 8, 30} \[ \frac{1088 x^3}{16875 a^2}+\frac{16 x^3 \cosh ^{-1}(a x)^2}{75 a^2}-\frac{16 x^2 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{1088 x^2 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)}{5625 a^3}+\frac{16576 x}{5625 a^4}+\frac{32 x \cosh ^{-1}(a x)^2}{25 a^4}-\frac{32 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)^3}{75 a^5}-\frac{16576 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)}{5625 a^5}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4+\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{4 x^4 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)^3}{25 a}-\frac{24 x^4 \sqrt{a x-1} \sqrt{a x+1} \cosh ^{-1}(a x)}{625 a}+\frac{24 x^5}{3125} \]
Antiderivative was successfully verified.
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Rule 5662
Rule 5759
Rule 5718
Rule 5654
Rule 8
Rule 30
Rubi steps
\begin{align*} \int x^4 \cosh ^{-1}(a x)^4 \, dx &=\frac{1}{5} x^5 \cosh ^{-1}(a x)^4-\frac{1}{5} (4 a) \int \frac{x^5 \cosh ^{-1}(a x)^3}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx\\ &=-\frac{4 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{25 a}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4+\frac{12}{25} \int x^4 \cosh ^{-1}(a x)^2 \, dx-\frac{16 \int \frac{x^3 \cosh ^{-1}(a x)^3}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{25 a}\\ &=\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{16 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{4 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{25 a}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4-\frac{32 \int \frac{x \cosh ^{-1}(a x)^3}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{75 a^3}+\frac{16 \int x^2 \cosh ^{-1}(a x)^2 \, dx}{25 a^2}-\frac{1}{125} (24 a) \int \frac{x^5 \cosh ^{-1}(a x)}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx\\ &=-\frac{24 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{625 a}+\frac{16 x^3 \cosh ^{-1}(a x)^2}{75 a^2}+\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{32 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^5}-\frac{16 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{4 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{25 a}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4+\frac{24 \int x^4 \, dx}{625}+\frac{32 \int \cosh ^{-1}(a x)^2 \, dx}{25 a^4}-\frac{96 \int \frac{x^3 \cosh ^{-1}(a x)}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{625 a}-\frac{32 \int \frac{x^3 \cosh ^{-1}(a x)}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{75 a}\\ &=\frac{24 x^5}{3125}-\frac{1088 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{5625 a^3}-\frac{24 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{625 a}+\frac{32 x \cosh ^{-1}(a x)^2}{25 a^4}+\frac{16 x^3 \cosh ^{-1}(a x)^2}{75 a^2}+\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{32 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^5}-\frac{16 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{4 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{25 a}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4-\frac{64 \int \frac{x \cosh ^{-1}(a x)}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{625 a^3}-\frac{64 \int \frac{x \cosh ^{-1}(a x)}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{225 a^3}-\frac{64 \int \frac{x \cosh ^{-1}(a x)}{\sqrt{-1+a x} \sqrt{1+a x}} \, dx}{25 a^3}+\frac{32 \int x^2 \, dx}{625 a^2}+\frac{32 \int x^2 \, dx}{225 a^2}\\ &=\frac{1088 x^3}{16875 a^2}+\frac{24 x^5}{3125}-\frac{16576 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{5625 a^5}-\frac{1088 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{5625 a^3}-\frac{24 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{625 a}+\frac{32 x \cosh ^{-1}(a x)^2}{25 a^4}+\frac{16 x^3 \cosh ^{-1}(a x)^2}{75 a^2}+\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{32 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^5}-\frac{16 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{4 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{25 a}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4+\frac{64 \int 1 \, dx}{625 a^4}+\frac{64 \int 1 \, dx}{225 a^4}+\frac{64 \int 1 \, dx}{25 a^4}\\ &=\frac{16576 x}{5625 a^4}+\frac{1088 x^3}{16875 a^2}+\frac{24 x^5}{3125}-\frac{16576 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{5625 a^5}-\frac{1088 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{5625 a^3}-\frac{24 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)}{625 a}+\frac{32 x \cosh ^{-1}(a x)^2}{25 a^4}+\frac{16 x^3 \cosh ^{-1}(a x)^2}{75 a^2}+\frac{12}{125} x^5 \cosh ^{-1}(a x)^2-\frac{32 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^5}-\frac{16 x^2 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{75 a^3}-\frac{4 x^4 \sqrt{-1+a x} \sqrt{1+a x} \cosh ^{-1}(a x)^3}{25 a}+\frac{1}{5} x^5 \cosh ^{-1}(a x)^4\\ \end{align*}
Mathematica [A] time = 0.127004, size = 158, normalized size = 0.58 \[ \frac{8 a x \left (81 a^4 x^4+680 a^2 x^2+31080\right )+16875 a^5 x^5 \cosh ^{-1}(a x)^4+900 a x \left (9 a^4 x^4+20 a^2 x^2+120\right ) \cosh ^{-1}(a x)^2-4500 \sqrt{a x-1} \sqrt{a x+1} \left (3 a^4 x^4+4 a^2 x^2+8\right ) \cosh ^{-1}(a x)^3-120 \sqrt{a x-1} \sqrt{a x+1} \left (27 a^4 x^4+136 a^2 x^2+2072\right ) \cosh ^{-1}(a x)}{84375 a^5} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.05, size = 300, normalized size = 1.1 \begin{align*}{\frac{1}{{a}^{5}} \left ({\frac{{a}^{3}{x}^{3} \left ({\rm arccosh} \left (ax\right ) \right ) ^{4} \left ( ax-1 \right ) \left ( ax+1 \right ) }{5}}+{\frac{ \left ( ax-1 \right ) \left ( ax+1 \right ) \left ({\rm arccosh} \left (ax\right ) \right ) ^{4}ax}{5}}+{\frac{ \left ({\rm arccosh} \left (ax\right ) \right ) ^{4}ax}{5}}-{\frac{4\, \left ({\rm arccosh} \left (ax\right ) \right ) ^{3}{a}^{4}{x}^{4}}{25}\sqrt{ax-1}\sqrt{ax+1}}-{\frac{32\, \left ({\rm arccosh} \left (ax\right ) \right ) ^{3}}{75}\sqrt{ax-1}\sqrt{ax+1}}-{\frac{16\, \left ({\rm arccosh} \left (ax\right ) \right ) ^{3}{a}^{2}{x}^{2}}{75}\sqrt{ax-1}\sqrt{ax+1}}+{\frac{12\, \left ({\rm arccosh} \left (ax\right ) \right ) ^{2}{a}^{3}{x}^{3} \left ( ax-1 \right ) \left ( ax+1 \right ) }{125}}+{\frac{116\, \left ({\rm arccosh} \left (ax\right ) \right ) ^{2} \left ( ax-1 \right ) \left ( ax+1 \right ) ax}{375}}+{\frac{596\, \left ({\rm arccosh} \left (ax\right ) \right ) ^{2}ax}{375}}-{\frac{24\,{a}^{4}{\rm arccosh} \left (ax\right ){x}^{4}}{625}\sqrt{ax-1}\sqrt{ax+1}}-{\frac{16576\,{\rm arccosh} \left (ax\right )}{5625}\sqrt{ax-1}\sqrt{ax+1}}-{\frac{1088\,{a}^{2}{x}^{2}{\rm arccosh} \left (ax\right )}{5625}\sqrt{ax-1}\sqrt{ax+1}}+{\frac{ \left ( 24\,ax-24 \right ) \left ( ax+1 \right ){a}^{3}{x}^{3}}{3125}}+{\frac{ \left ( 6088\,ax-6088 \right ) \left ( ax+1 \right ) ax}{84375}}+{\frac{254728\,ax}{84375}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.23144, size = 271, normalized size = 0.99 \begin{align*} \frac{1}{5} \, x^{5} \operatorname{arcosh}\left (a x\right )^{4} - \frac{4}{75} \,{\left (\frac{3 \, \sqrt{a^{2} x^{2} - 1} x^{4}}{a^{2}} + \frac{4 \, \sqrt{a^{2} x^{2} - 1} x^{2}}{a^{4}} + \frac{8 \, \sqrt{a^{2} x^{2} - 1}}{a^{6}}\right )} a \operatorname{arcosh}\left (a x\right )^{3} - \frac{4}{84375} \,{\left (2 \, a{\left (\frac{15 \,{\left (27 \, \sqrt{a^{2} x^{2} - 1} a^{2} x^{4} + 136 \, \sqrt{a^{2} x^{2} - 1} x^{2} + \frac{2072 \, \sqrt{a^{2} x^{2} - 1}}{a^{2}}\right )} \operatorname{arcosh}\left (a x\right )}{a^{5}} - \frac{81 \, a^{4} x^{5} + 680 \, a^{2} x^{3} + 31080 \, x}{a^{6}}\right )} - \frac{225 \,{\left (9 \, a^{4} x^{5} + 20 \, a^{2} x^{3} + 120 \, x\right )} \operatorname{arcosh}\left (a x\right )^{2}}{a^{5}}\right )} a \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.61499, size = 466, normalized size = 1.7 \begin{align*} \frac{16875 \, a^{5} x^{5} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )^{4} + 648 \, a^{5} x^{5} + 5440 \, a^{3} x^{3} - 4500 \,{\left (3 \, a^{4} x^{4} + 4 \, a^{2} x^{2} + 8\right )} \sqrt{a^{2} x^{2} - 1} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )^{3} + 900 \,{\left (9 \, a^{5} x^{5} + 20 \, a^{3} x^{3} + 120 \, a x\right )} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )^{2} - 120 \,{\left (27 \, a^{4} x^{4} + 136 \, a^{2} x^{2} + 2072\right )} \sqrt{a^{2} x^{2} - 1} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right ) + 248640 \, a x}{84375 \, a^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 14.6522, size = 248, normalized size = 0.91 \begin{align*} \begin{cases} \frac{x^{5} \operatorname{acosh}^{4}{\left (a x \right )}}{5} + \frac{12 x^{5} \operatorname{acosh}^{2}{\left (a x \right )}}{125} + \frac{24 x^{5}}{3125} - \frac{4 x^{4} \sqrt{a^{2} x^{2} - 1} \operatorname{acosh}^{3}{\left (a x \right )}}{25 a} - \frac{24 x^{4} \sqrt{a^{2} x^{2} - 1} \operatorname{acosh}{\left (a x \right )}}{625 a} + \frac{16 x^{3} \operatorname{acosh}^{2}{\left (a x \right )}}{75 a^{2}} + \frac{1088 x^{3}}{16875 a^{2}} - \frac{16 x^{2} \sqrt{a^{2} x^{2} - 1} \operatorname{acosh}^{3}{\left (a x \right )}}{75 a^{3}} - \frac{1088 x^{2} \sqrt{a^{2} x^{2} - 1} \operatorname{acosh}{\left (a x \right )}}{5625 a^{3}} + \frac{32 x \operatorname{acosh}^{2}{\left (a x \right )}}{25 a^{4}} + \frac{16576 x}{5625 a^{4}} - \frac{32 \sqrt{a^{2} x^{2} - 1} \operatorname{acosh}^{3}{\left (a x \right )}}{75 a^{5}} - \frac{16576 \sqrt{a^{2} x^{2} - 1} \operatorname{acosh}{\left (a x \right )}}{5625 a^{5}} & \text{for}\: a \neq 0 \\\frac{\pi ^{4} x^{5}}{80} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.84988, size = 293, normalized size = 1.07 \begin{align*} \frac{1}{5} \, x^{5} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )^{4} - \frac{4}{84375} \, a{\left (\frac{1125 \,{\left (3 \,{\left (a^{2} x^{2} - 1\right )}^{\frac{5}{2}} + 10 \,{\left (a^{2} x^{2} - 1\right )}^{\frac{3}{2}} + 15 \, \sqrt{a^{2} x^{2} - 1}\right )} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )^{3}}{a^{6}} - \frac{162 \, a^{4} x^{5} + 1360 \, a^{2} x^{3} + 225 \,{\left (9 \, a^{4} x^{5} + 20 \, a^{2} x^{3} + 120 \, x\right )} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )^{2} + 62160 \, x - \frac{30 \,{\left (27 \,{\left (a^{2} x^{2} - 1\right )}^{\frac{5}{2}} + 190 \,{\left (a^{2} x^{2} - 1\right )}^{\frac{3}{2}} + 2235 \, \sqrt{a^{2} x^{2} - 1}\right )} \log \left (a x + \sqrt{a^{2} x^{2} - 1}\right )}{a}}{a^{5}}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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