Integrand size = 27, antiderivative size = 259 \[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}+\frac {3 d e^{\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}-\frac {d e^{\frac {6 a}{b}} \sqrt {\frac {3 \pi }{2}} \text {erf}\left (\frac {\sqrt {6} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}+\frac {3 d e^{-\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}-\frac {d e^{-\frac {6 a}{b}} \sqrt {\frac {3 \pi }{2}} \text {erfi}\left (\frac {\sqrt {6} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4} \]
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Time = 1.20 (sec) , antiderivative size = 259, normalized size of antiderivative = 1.00, number of steps used = 27, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.259, Rules used = {5942, 5953, 5556, 3388, 2211, 2236, 2235} \[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\frac {3 \sqrt {\frac {\pi }{2}} d e^{\frac {2 a}{b}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}-\frac {\sqrt {\frac {3 \pi }{2}} d e^{\frac {6 a}{b}} \text {erf}\left (\frac {\sqrt {6} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}+\frac {3 \sqrt {\frac {\pi }{2}} d e^{-\frac {2 a}{b}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}-\frac {\sqrt {\frac {3 \pi }{2}} d e^{-\frac {6 a}{b}} \text {erfi}\left (\frac {\sqrt {6} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}+\frac {2 d x^3 (c x-1)^{3/2} (c x+1)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}} \]
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Rule 2211
Rule 2235
Rule 2236
Rule 3388
Rule 5556
Rule 5942
Rule 5953
Rubi steps \begin{align*} \text {integral}& = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}+\frac {(6 d) \int \frac {x^2 \sqrt {-1+c x} \sqrt {1+c x}}{\sqrt {a+b \text {arccosh}(c x)}} \, dx}{b c}-\frac {(12 c d) \int \frac {x^4 \sqrt {-1+c x} \sqrt {1+c x}}{\sqrt {a+b \text {arccosh}(c x)}} \, dx}{b} \\ & = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}+\frac {(6 d) \text {Subst}\left (\int \frac {\cosh ^2\left (\frac {a}{b}-\frac {x}{b}\right ) \sinh ^2\left (\frac {a}{b}-\frac {x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{b^2 c^4}-\frac {(12 d) \text {Subst}\left (\int \frac {\cosh ^4\left (\frac {a}{b}-\frac {x}{b}\right ) \sinh ^2\left (\frac {a}{b}-\frac {x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{b^2 c^4} \\ & = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}+\frac {(6 d) \text {Subst}\left (\int \left (-\frac {1}{8 \sqrt {x}}+\frac {\cosh \left (\frac {4 a}{b}-\frac {4 x}{b}\right )}{8 \sqrt {x}}\right ) \, dx,x,a+b \text {arccosh}(c x)\right )}{b^2 c^4}-\frac {(12 d) \text {Subst}\left (\int \left (-\frac {1}{16 \sqrt {x}}+\frac {\cosh \left (\frac {6 a}{b}-\frac {6 x}{b}\right )}{32 \sqrt {x}}+\frac {\cosh \left (\frac {4 a}{b}-\frac {4 x}{b}\right )}{16 \sqrt {x}}-\frac {\cosh \left (\frac {2 a}{b}-\frac {2 x}{b}\right )}{32 \sqrt {x}}\right ) \, dx,x,a+b \text {arccosh}(c x)\right )}{b^2 c^4} \\ & = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}-\frac {(3 d) \text {Subst}\left (\int \frac {\cosh \left (\frac {6 a}{b}-\frac {6 x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{8 b^2 c^4}+\frac {(3 d) \text {Subst}\left (\int \frac {\cosh \left (\frac {2 a}{b}-\frac {2 x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{8 b^2 c^4} \\ & = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}+\frac {(3 d) \text {Subst}\left (\int \frac {e^{-i \left (\frac {2 i a}{b}-\frac {2 i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{16 b^2 c^4}+\frac {(3 d) \text {Subst}\left (\int \frac {e^{i \left (\frac {2 i a}{b}-\frac {2 i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{16 b^2 c^4}-\frac {(3 d) \text {Subst}\left (\int \frac {e^{-i \left (\frac {6 i a}{b}-\frac {6 i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{16 b^2 c^4}-\frac {(3 d) \text {Subst}\left (\int \frac {e^{i \left (\frac {6 i a}{b}-\frac {6 i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c x)\right )}{16 b^2 c^4} \\ & = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}-\frac {(3 d) \text {Subst}\left (\int e^{\frac {6 a}{b}-\frac {6 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c x)}\right )}{8 b^2 c^4}+\frac {(3 d) \text {Subst}\left (\int e^{\frac {2 a}{b}-\frac {2 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c x)}\right )}{8 b^2 c^4}+\frac {(3 d) \text {Subst}\left (\int e^{-\frac {2 a}{b}+\frac {2 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c x)}\right )}{8 b^2 c^4}-\frac {(3 d) \text {Subst}\left (\int e^{-\frac {6 a}{b}+\frac {6 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c x)}\right )}{8 b^2 c^4} \\ & = \frac {2 d x^3 (-1+c x)^{3/2} (1+c x)^{3/2}}{b c \sqrt {a+b \text {arccosh}(c x)}}+\frac {3 d e^{\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}-\frac {d e^{\frac {6 a}{b}} \sqrt {\frac {3 \pi }{2}} \text {erf}\left (\frac {\sqrt {6} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}+\frac {3 d e^{-\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4}-\frac {d e^{-\frac {6 a}{b}} \sqrt {\frac {3 \pi }{2}} \text {erfi}\left (\frac {\sqrt {6} \sqrt {a+b \text {arccosh}(c x)}}{\sqrt {b}}\right )}{16 b^{3/2} c^4} \\ \end{align*}
Time = 1.88 (sec) , antiderivative size = 300, normalized size of antiderivative = 1.16 \[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\frac {d e^{-\frac {6 a}{b}} \left (-\sqrt {6} \sqrt {-\frac {a+b \text {arccosh}(c x)}{b}} \Gamma \left (\frac {1}{2},-\frac {6 (a+b \text {arccosh}(c x))}{b}\right )+3 \sqrt {2} e^{\frac {4 a}{b}} \sqrt {-\frac {a+b \text {arccosh}(c x)}{b}} \Gamma \left (\frac {1}{2},-\frac {2 (a+b \text {arccosh}(c x))}{b}\right )+e^{\frac {6 a}{b}} \left (-64 c^3 x^3 \sqrt {\frac {-1+c x}{1+c x}}-64 c^4 x^4 \sqrt {\frac {-1+c x}{1+c x}}-3 \sqrt {2} e^{\frac {2 a}{b}} \sqrt {\frac {a}{b}+\text {arccosh}(c x)} \Gamma \left (\frac {1}{2},\frac {2 (a+b \text {arccosh}(c x))}{b}\right )+\sqrt {6} e^{\frac {6 a}{b}} \sqrt {\frac {a}{b}+\text {arccosh}(c x)} \Gamma \left (\frac {1}{2},\frac {6 (a+b \text {arccosh}(c x))}{b}\right )+10 \sinh (2 \text {arccosh}(c x))+8 \sinh (4 \text {arccosh}(c x))+2 \sinh (6 \text {arccosh}(c x))\right )\right )}{32 b c^4 \sqrt {a+b \text {arccosh}(c x)}} \]
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\[\int \frac {x^{3} \left (-c^{2} d \,x^{2}+d \right )}{\left (a +b \,\operatorname {arccosh}\left (c x \right )\right )^{\frac {3}{2}}}d x\]
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Exception generated. \[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\text {Exception raised: TypeError} \]
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\[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=- d \left (\int \left (- \frac {x^{3}}{a \sqrt {a + b \operatorname {acosh}{\left (c x \right )}} + b \sqrt {a + b \operatorname {acosh}{\left (c x \right )}} \operatorname {acosh}{\left (c x \right )}}\right )\, dx + \int \frac {c^{2} x^{5}}{a \sqrt {a + b \operatorname {acosh}{\left (c x \right )}} + b \sqrt {a + b \operatorname {acosh}{\left (c x \right )}} \operatorname {acosh}{\left (c x \right )}}\, dx\right ) \]
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\[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\int { -\frac {{\left (c^{2} d x^{2} - d\right )} x^{3}}{{\left (b \operatorname {arcosh}\left (c x\right ) + a\right )}^{\frac {3}{2}}} \,d x } \]
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Exception generated. \[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\text {Exception raised: RuntimeError} \]
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Timed out. \[ \int \frac {x^3 \left (d-c^2 d x^2\right )}{(a+b \text {arccosh}(c x))^{3/2}} \, dx=\int \frac {x^3\,\left (d-c^2\,d\,x^2\right )}{{\left (a+b\,\mathrm {acosh}\left (c\,x\right )\right )}^{3/2}} \,d x \]
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