Integrand size = 18, antiderivative size = 175 \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=-\frac {122 c \sqrt {-1+a x} \sqrt {1+a x}}{27 a}+\frac {2}{27} a c x^2 \sqrt {-1+a x} \sqrt {1+a x}+\frac {14}{3} c x \text {arccosh}(a x)-\frac {2}{9} a^2 c x^3 \text {arccosh}(a x)-\frac {2 c \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{a}+\frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3 \]
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Time = 0.30 (sec) , antiderivative size = 175, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.444, Rules used = {5897, 5879, 5915, 75, 5889, 5894, 12, 471} \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=-\frac {2}{9} a^2 c x^3 \text {arccosh}(a x)+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {14}{3} c x \text {arccosh}(a x)+\frac {c (a x-1)^{3/2} (a x+1)^{3/2} \text {arccosh}(a x)^2}{3 a}-\frac {2 c \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)^2}{a}+\frac {2}{27} a c x^2 \sqrt {a x-1} \sqrt {a x+1}-\frac {122 c \sqrt {a x-1} \sqrt {a x+1}}{27 a} \]
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Rule 12
Rule 75
Rule 471
Rule 5879
Rule 5889
Rule 5894
Rule 5897
Rule 5915
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3+\frac {1}{3} (2 c) \int \text {arccosh}(a x)^3 \, dx+(a c) \int x \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2 \, dx \\ & = \frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3-\frac {1}{3} (2 c) \int (-1+a x) (1+a x) \text {arccosh}(a x) \, dx-(2 a c) \int \frac {x \text {arccosh}(a x)^2}{\sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = -\frac {2 c \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{a}+\frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3-\frac {1}{3} (2 c) \int \left (-1+a^2 x^2\right ) \text {arccosh}(a x) \, dx+(4 c) \int \text {arccosh}(a x) \, dx \\ & = \frac {14}{3} c x \text {arccosh}(a x)-\frac {2}{9} a^2 c x^3 \text {arccosh}(a x)-\frac {2 c \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{a}+\frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3+\frac {1}{3} (2 a c) \int \frac {x \left (-3+a^2 x^2\right )}{3 \sqrt {-1+a x} \sqrt {1+a x}} \, dx-(4 a c) \int \frac {x}{\sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = -\frac {4 c \sqrt {-1+a x} \sqrt {1+a x}}{a}+\frac {14}{3} c x \text {arccosh}(a x)-\frac {2}{9} a^2 c x^3 \text {arccosh}(a x)-\frac {2 c \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{a}+\frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3+\frac {1}{9} (2 a c) \int \frac {x \left (-3+a^2 x^2\right )}{\sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = -\frac {4 c \sqrt {-1+a x} \sqrt {1+a x}}{a}+\frac {2}{27} a c x^2 \sqrt {-1+a x} \sqrt {1+a x}+\frac {14}{3} c x \text {arccosh}(a x)-\frac {2}{9} a^2 c x^3 \text {arccosh}(a x)-\frac {2 c \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{a}+\frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3-\frac {1}{27} (14 a c) \int \frac {x}{\sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = -\frac {122 c \sqrt {-1+a x} \sqrt {1+a x}}{27 a}+\frac {2}{27} a c x^2 \sqrt {-1+a x} \sqrt {1+a x}+\frac {14}{3} c x \text {arccosh}(a x)-\frac {2}{9} a^2 c x^3 \text {arccosh}(a x)-\frac {2 c \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{a}+\frac {c (-1+a x)^{3/2} (1+a x)^{3/2} \text {arccosh}(a x)^2}{3 a}+\frac {2}{3} c x \text {arccosh}(a x)^3+\frac {1}{3} c x \left (1-a^2 x^2\right ) \text {arccosh}(a x)^3 \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 109, normalized size of antiderivative = 0.62 \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=\frac {c \left (2 \sqrt {-1+a x} \sqrt {1+a x} \left (-61+a^2 x^2\right )-6 a x \left (-21+a^2 x^2\right ) \text {arccosh}(a x)+9 \sqrt {-1+a x} \sqrt {1+a x} \left (-7+a^2 x^2\right ) \text {arccosh}(a x)^2-9 a x \left (-3+a^2 x^2\right ) \text {arccosh}(a x)^3\right )}{27 a} \]
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Time = 0.15 (sec) , antiderivative size = 140, normalized size of antiderivative = 0.80
method | result | size |
derivativedivides | \(-\frac {c \left (9 a^{3} x^{3} \operatorname {arccosh}\left (a x \right )^{3}-9 a^{2} x^{2} \operatorname {arccosh}\left (a x \right )^{2} \sqrt {a x -1}\, \sqrt {a x +1}-27 a x \operatorname {arccosh}\left (a x \right )^{3}+63 \operatorname {arccosh}\left (a x \right )^{2} \sqrt {a x -1}\, \sqrt {a x +1}+6 a^{3} x^{3} \operatorname {arccosh}\left (a x \right )-2 a^{2} x^{2} \sqrt {a x -1}\, \sqrt {a x +1}-126 a x \,\operatorname {arccosh}\left (a x \right )+122 \sqrt {a x -1}\, \sqrt {a x +1}\right )}{27 a}\) | \(140\) |
default | \(-\frac {c \left (9 a^{3} x^{3} \operatorname {arccosh}\left (a x \right )^{3}-9 a^{2} x^{2} \operatorname {arccosh}\left (a x \right )^{2} \sqrt {a x -1}\, \sqrt {a x +1}-27 a x \operatorname {arccosh}\left (a x \right )^{3}+63 \operatorname {arccosh}\left (a x \right )^{2} \sqrt {a x -1}\, \sqrt {a x +1}+6 a^{3} x^{3} \operatorname {arccosh}\left (a x \right )-2 a^{2} x^{2} \sqrt {a x -1}\, \sqrt {a x +1}-126 a x \,\operatorname {arccosh}\left (a x \right )+122 \sqrt {a x -1}\, \sqrt {a x +1}\right )}{27 a}\) | \(140\) |
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Time = 0.26 (sec) , antiderivative size = 140, normalized size of antiderivative = 0.80 \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=-\frac {9 \, {\left (a^{3} c x^{3} - 3 \, a c x\right )} \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )^{3} - 9 \, {\left (a^{2} c x^{2} - 7 \, c\right )} \sqrt {a^{2} x^{2} - 1} \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )^{2} + 6 \, {\left (a^{3} c x^{3} - 21 \, a c x\right )} \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right ) - 2 \, {\left (a^{2} c x^{2} - 61 \, c\right )} \sqrt {a^{2} x^{2} - 1}}{27 \, a} \]
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\[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=- c \left (\int a^{2} x^{2} \operatorname {acosh}^{3}{\left (a x \right )}\, dx + \int \left (- \operatorname {acosh}^{3}{\left (a x \right )}\right )\, dx\right ) \]
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Time = 0.19 (sec) , antiderivative size = 124, normalized size of antiderivative = 0.71 \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=\frac {1}{3} \, {\left (\sqrt {a^{2} x^{2} - 1} c x^{2} - \frac {7 \, \sqrt {a^{2} x^{2} - 1} c}{a^{2}}\right )} a \operatorname {arcosh}\left (a x\right )^{2} - \frac {1}{3} \, {\left (a^{2} c x^{3} - 3 \, c x\right )} \operatorname {arcosh}\left (a x\right )^{3} + \frac {2}{27} \, {\left (\sqrt {a^{2} x^{2} - 1} c x^{2} - \frac {3 \, {\left (a^{2} c x^{3} - 21 \, c x\right )} \operatorname {arcosh}\left (a x\right )}{a} - \frac {61 \, \sqrt {a^{2} x^{2} - 1} c}{a^{2}}\right )} a \]
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Exception generated. \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \left (c-a^2 c x^2\right ) \text {arccosh}(a x)^3 \, dx=\int {\mathrm {acosh}\left (a\,x\right )}^3\,\left (c-a^2\,c\,x^2\right ) \,d x \]
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