Integrand size = 25, antiderivative size = 217 \[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=-\frac {e^3 e^{\frac {4 a}{b}} \sqrt {\pi } \text {erf}\left (\frac {2 \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{32 \sqrt {b} d}-\frac {e^3 e^{\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{8 \sqrt {b} d}+\frac {e^3 e^{-\frac {4 a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {2 \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{32 \sqrt {b} d}+\frac {e^3 e^{-\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{8 \sqrt {b} d} \]
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Time = 0.30 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.00, number of steps used = 15, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.320, Rules used = {5996, 12, 5887, 5556, 3389, 2211, 2236, 2235} \[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=-\frac {\sqrt {\pi } e^3 e^{\frac {4 a}{b}} \text {erf}\left (\frac {2 \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{32 \sqrt {b} d}-\frac {\sqrt {\frac {\pi }{2}} e^3 e^{\frac {2 a}{b}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{8 \sqrt {b} d}+\frac {\sqrt {\pi } e^3 e^{-\frac {4 a}{b}} \text {erfi}\left (\frac {2 \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{32 \sqrt {b} d}+\frac {\sqrt {\frac {\pi }{2}} e^3 e^{-\frac {2 a}{b}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{8 \sqrt {b} d} \]
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Rule 12
Rule 2211
Rule 2235
Rule 2236
Rule 3389
Rule 5556
Rule 5887
Rule 5996
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {e^3 x^3}{\sqrt {a+b \text {arccosh}(x)}} \, dx,x,c+d x\right )}{d} \\ & = \frac {e^3 \text {Subst}\left (\int \frac {x^3}{\sqrt {a+b \text {arccosh}(x)}} \, dx,x,c+d x\right )}{d} \\ & = -\frac {e^3 \text {Subst}\left (\int \frac {\cosh ^3\left (\frac {a}{b}-\frac {x}{b}\right ) \sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{b d} \\ & = -\frac {e^3 \text {Subst}\left (\int \left (\frac {\sinh \left (\frac {4 a}{b}-\frac {4 x}{b}\right )}{8 \sqrt {x}}+\frac {\sinh \left (\frac {2 a}{b}-\frac {2 x}{b}\right )}{4 \sqrt {x}}\right ) \, dx,x,a+b \text {arccosh}(c+d x)\right )}{b d} \\ & = -\frac {e^3 \text {Subst}\left (\int \frac {\sinh \left (\frac {4 a}{b}-\frac {4 x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{8 b d}-\frac {e^3 \text {Subst}\left (\int \frac {\sinh \left (\frac {2 a}{b}-\frac {2 x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{4 b d} \\ & = -\frac {e^3 \text {Subst}\left (\int \frac {e^{-i \left (\frac {4 i a}{b}-\frac {4 i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{16 b d}+\frac {e^3 \text {Subst}\left (\int \frac {e^{i \left (\frac {4 i a}{b}-\frac {4 i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{16 b d}-\frac {e^3 \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+d x)\right )}{8 b d}+\frac {e^3 \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+d x)\right )}{8 b d} \\ & = -\frac {e^3 \text {Subst}\left (\int e^{\frac {4 a}{b}-\frac {4 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c+d x)}\right )}{8 b d}+\frac {e^3 \text {Subst}\left (\int e^{-\frac {4 a}{b}+\frac {4 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c+d x)}\right )}{8 b d}-\frac {e^3 \text {Subst}\left (\int e^{\frac {2 a}{b}-\frac {2 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c+d x)}\right )}{4 b d}+\frac {e^3 \text {Subst}\left (\int e^{-\frac {2 a}{b}+\frac {2 x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c+d x)}\right )}{4 b d} \\ & = -\frac {e^3 e^{\frac {4 a}{b}} \sqrt {\pi } \text {erf}\left (\frac {2 \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{32 \sqrt {b} d}-\frac {e^3 e^{\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{8 \sqrt {b} d}+\frac {e^3 e^{-\frac {4 a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {2 \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{32 \sqrt {b} d}+\frac {e^3 e^{-\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{8 \sqrt {b} d} \\ \end{align*}
Time = 0.30 (sec) , antiderivative size = 205, normalized size of antiderivative = 0.94 \[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=\frac {e^3 e^{-\frac {4 a}{b}} \left (\sqrt {-\frac {a+b \text {arccosh}(c+d x)}{b}} \Gamma \left (\frac {1}{2},-\frac {4 (a+b \text {arccosh}(c+d x))}{b}\right )+2 \sqrt {2} e^{\frac {2 a}{b}} \sqrt {-\frac {a+b \text {arccosh}(c+d x)}{b}} \Gamma \left (\frac {1}{2},-\frac {2 (a+b \text {arccosh}(c+d x))}{b}\right )+e^{\frac {6 a}{b}} \sqrt {\frac {a}{b}+\text {arccosh}(c+d x)} \left (2 \sqrt {2} \Gamma \left (\frac {1}{2},\frac {2 (a+b \text {arccosh}(c+d x))}{b}\right )+e^{\frac {2 a}{b}} \Gamma \left (\frac {1}{2},\frac {4 (a+b \text {arccosh}(c+d x))}{b}\right )\right )\right )}{32 d \sqrt {a+b \text {arccosh}(c+d x)}} \]
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\[\int \frac {\left (d e x +c e \right )^{3}}{\sqrt {a +b \,\operatorname {arccosh}\left (d x +c \right )}}d x\]
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Exception generated. \[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=\text {Exception raised: TypeError} \]
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\[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=e^{3} \left (\int \frac {c^{3}}{\sqrt {a + b \operatorname {acosh}{\left (c + d x \right )}}}\, dx + \int \frac {d^{3} x^{3}}{\sqrt {a + b \operatorname {acosh}{\left (c + d x \right )}}}\, dx + \int \frac {3 c d^{2} x^{2}}{\sqrt {a + b \operatorname {acosh}{\left (c + d x \right )}}}\, dx + \int \frac {3 c^{2} d x}{\sqrt {a + b \operatorname {acosh}{\left (c + d x \right )}}}\, dx\right ) \]
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\[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=\int { \frac {{\left (d e x + c e\right )}^{3}}{\sqrt {b \operatorname {arcosh}\left (d x + c\right ) + a}} \,d x } \]
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\[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=\int { \frac {{\left (d e x + c e\right )}^{3}}{\sqrt {b \operatorname {arcosh}\left (d x + c\right ) + a}} \,d x } \]
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Timed out. \[ \int \frac {(c e+d e x)^3}{\sqrt {a+b \text {arccosh}(c+d x)}} \, dx=\int \frac {{\left (c\,e+d\,e\,x\right )}^3}{\sqrt {a+b\,\mathrm {acosh}\left (c+d\,x\right )}} \,d x \]
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