Integrand size = 14, antiderivative size = 165 \[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=-\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}-\frac {2 e^{a/b} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{3 b^{5/2} d}+\frac {2 e^{-\frac {a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{3 b^{5/2} d} \]
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Time = 0.29 (sec) , antiderivative size = 165, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {5995, 5880, 5951, 5881, 3389, 2211, 2236, 2235} \[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=-\frac {2 \sqrt {\pi } e^{a/b} \text {erf}\left (\frac {\sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{3 b^{5/2} d}+\frac {2 \sqrt {\pi } e^{-\frac {a}{b}} \text {erfi}\left (\frac {\sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{3 b^{5/2} d}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}-\frac {2 \sqrt {c+d x-1} \sqrt {c+d x+1}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}} \]
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Rule 2211
Rule 2235
Rule 2236
Rule 3389
Rule 5880
Rule 5881
Rule 5951
Rule 5995
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {1}{(a+b \text {arccosh}(x))^{5/2}} \, dx,x,c+d x\right )}{d} \\ & = -\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}+\frac {2 \text {Subst}\left (\int \frac {x}{\sqrt {-1+x} \sqrt {1+x} (a+b \text {arccosh}(x))^{3/2}} \, dx,x,c+d x\right )}{3 b d} \\ & = -\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}+\frac {4 \text {Subst}\left (\int \frac {1}{\sqrt {a+b \text {arccosh}(x)}} \, dx,x,c+d x\right )}{3 b^2 d} \\ & = -\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}-\frac {4 \text {Subst}\left (\int \frac {\sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{3 b^3 d} \\ & = -\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}-\frac {2 \text {Subst}\left (\int \frac {e^{-i \left (\frac {i a}{b}-\frac {i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{3 b^3 d}+\frac {2 \text {Subst}\left (\int \frac {e^{i \left (\frac {i a}{b}-\frac {i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arccosh}(c+d x)\right )}{3 b^3 d} \\ & = -\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}-\frac {4 \text {Subst}\left (\int e^{\frac {a}{b}-\frac {x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c+d x)}\right )}{3 b^3 d}+\frac {4 \text {Subst}\left (\int e^{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b \text {arccosh}(c+d x)}\right )}{3 b^3 d} \\ & = -\frac {2 \sqrt {-1+c+d x} \sqrt {1+c+d x}}{3 b d (a+b \text {arccosh}(c+d x))^{3/2}}-\frac {4 (c+d x)}{3 b^2 d \sqrt {a+b \text {arccosh}(c+d x)}}-\frac {2 e^{a/b} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{3 b^{5/2} d}+\frac {2 e^{-\frac {a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {a+b \text {arccosh}(c+d x)}}{\sqrt {b}}\right )}{3 b^{5/2} d} \\ \end{align*}
Time = 0.73 (sec) , antiderivative size = 219, normalized size of antiderivative = 1.33 \[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=\frac {e^{-\frac {a+b \text {arccosh}(c+d x)}{b}} \left (2 e^{\frac {2 a}{b}+\text {arccosh}(c+d x)} \sqrt {\frac {a}{b}+\text {arccosh}(c+d x)} (a+b \text {arccosh}(c+d x)) \Gamma \left (\frac {1}{2},\frac {a}{b}+\text {arccosh}(c+d x)\right )-2 \left (e^{a/b} \left (b e^{\text {arccosh}(c+d x)} \sqrt {\frac {-1+c+d x}{1+c+d x}} (1+c+d x)+\left (1+e^{2 \text {arccosh}(c+d x)}\right ) (a+b \text {arccosh}(c+d x))\right )+b e^{\text {arccosh}(c+d x)} \left (-\frac {a+b \text {arccosh}(c+d x)}{b}\right )^{3/2} \Gamma \left (\frac {1}{2},-\frac {a+b \text {arccosh}(c+d x)}{b}\right )\right )\right )}{3 b^2 d (a+b \text {arccosh}(c+d x))^{3/2}} \]
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\[\int \frac {1}{\left (a +b \,\operatorname {arccosh}\left (d x +c \right )\right )^{\frac {5}{2}}}d x\]
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Exception generated. \[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=\text {Exception raised: TypeError} \]
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\[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=\int \frac {1}{\left (a + b \operatorname {acosh}{\left (c + d x \right )}\right )^{\frac {5}{2}}}\, dx \]
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\[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=\int { \frac {1}{{\left (b \operatorname {arcosh}\left (d x + c\right ) + a\right )}^{\frac {5}{2}}} \,d x } \]
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\[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=\int { \frac {1}{{\left (b \operatorname {arcosh}\left (d x + c\right ) + a\right )}^{\frac {5}{2}}} \,d x } \]
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Timed out. \[ \int \frac {1}{(a+b \text {arccosh}(c+d x))^{5/2}} \, dx=\int \frac {1}{{\left (a+b\,\mathrm {acosh}\left (c+d\,x\right )\right )}^{5/2}} \,d x \]
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