Optimal. Leaf size=228 \[ -\frac{15 \sqrt{\frac{\pi }{2}} b^{5/2} e^{\frac{2 a}{b}} \text{Erf}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{256 c^2}-\frac{15 \sqrt{\frac{\pi }{2}} b^{5/2} e^{-\frac{2 a}{b}} \text{Erfi}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{256 c^2}-\frac{15 b^2 \sqrt{a+b \cosh ^{-1}(c x)}}{64 c^2}+\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{5 b x \sqrt{c x-1} \sqrt{c x+1} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c} \]
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Rubi [A] time = 1.3278, antiderivative size = 228, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 9, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.643, Rules used = {5664, 5759, 5676, 5781, 3312, 3307, 2180, 2204, 2205} \[ -\frac{15 \sqrt{\frac{\pi }{2}} b^{5/2} e^{\frac{2 a}{b}} \text{Erf}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{256 c^2}-\frac{15 \sqrt{\frac{\pi }{2}} b^{5/2} e^{-\frac{2 a}{b}} \text{Erfi}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{256 c^2}-\frac{15 b^2 \sqrt{a+b \cosh ^{-1}(c x)}}{64 c^2}+\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{5 b x \sqrt{c x-1} \sqrt{c x+1} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c} \]
Antiderivative was successfully verified.
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Rule 5664
Rule 5759
Rule 5676
Rule 5781
Rule 3312
Rule 3307
Rule 2180
Rule 2204
Rule 2205
Rubi steps
\begin{align*} \int x \left (a+b \cosh ^{-1}(c x)\right )^{5/2} \, dx &=\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{1}{4} (5 b c) \int \frac{x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{\sqrt{-1+c x} \sqrt{1+c x}} \, dx\\ &=-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}+\frac{1}{16} \left (15 b^2\right ) \int x \sqrt{a+b \cosh ^{-1}(c x)} \, dx-\frac{(5 b) \int \frac{\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{\sqrt{-1+c x} \sqrt{1+c x}} \, dx}{8 c}\\ &=\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{1}{64} \left (15 b^3 c\right ) \int \frac{x^2}{\sqrt{-1+c x} \sqrt{1+c x} \sqrt{a+b \cosh ^{-1}(c x)}} \, dx\\ &=\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{\left (15 b^3\right ) \operatorname{Subst}\left (\int \frac{\cosh ^2(x)}{\sqrt{a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{64 c^2}\\ &=\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{\left (15 b^3\right ) \operatorname{Subst}\left (\int \left (\frac{1}{2 \sqrt{a+b x}}+\frac{\cosh (2 x)}{2 \sqrt{a+b x}}\right ) \, dx,x,\cosh ^{-1}(c x)\right )}{64 c^2}\\ &=-\frac{15 b^2 \sqrt{a+b \cosh ^{-1}(c x)}}{64 c^2}+\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{\left (15 b^3\right ) \operatorname{Subst}\left (\int \frac{\cosh (2 x)}{\sqrt{a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{128 c^2}\\ &=-\frac{15 b^2 \sqrt{a+b \cosh ^{-1}(c x)}}{64 c^2}+\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{\left (15 b^3\right ) \operatorname{Subst}\left (\int \frac{e^{-2 x}}{\sqrt{a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{256 c^2}-\frac{\left (15 b^3\right ) \operatorname{Subst}\left (\int \frac{e^{2 x}}{\sqrt{a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{256 c^2}\\ &=-\frac{15 b^2 \sqrt{a+b \cosh ^{-1}(c x)}}{64 c^2}+\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{\left (15 b^2\right ) \operatorname{Subst}\left (\int e^{\frac{2 a}{b}-\frac{2 x^2}{b}} \, dx,x,\sqrt{a+b \cosh ^{-1}(c x)}\right )}{128 c^2}-\frac{\left (15 b^2\right ) \operatorname{Subst}\left (\int e^{-\frac{2 a}{b}+\frac{2 x^2}{b}} \, dx,x,\sqrt{a+b \cosh ^{-1}(c x)}\right )}{128 c^2}\\ &=-\frac{15 b^2 \sqrt{a+b \cosh ^{-1}(c x)}}{64 c^2}+\frac{15}{32} b^2 x^2 \sqrt{a+b \cosh ^{-1}(c x)}-\frac{5 b x \sqrt{-1+c x} \sqrt{1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{8 c}-\frac{\left (a+b \cosh ^{-1}(c x)\right )^{5/2}}{4 c^2}+\frac{1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{5/2}-\frac{15 b^{5/2} e^{\frac{2 a}{b}} \sqrt{\frac{\pi }{2}} \text{erf}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{256 c^2}-\frac{15 b^{5/2} e^{-\frac{2 a}{b}} \sqrt{\frac{\pi }{2}} \text{erfi}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{256 c^2}\\ \end{align*}
Mathematica [A] time = 1.87998, size = 207, normalized size = 0.91 \[ \frac{8 \sqrt{a+b \cosh ^{-1}(c x)} \left (\left (16 a^2+15 b^2\right ) \cosh \left (2 \cosh ^{-1}(c x)\right )+4 b \cosh ^{-1}(c x) \left (8 a \cosh \left (2 \cosh ^{-1}(c x)\right )-5 b \sinh \left (2 \cosh ^{-1}(c x)\right )\right )-20 a b \sinh \left (2 \cosh ^{-1}(c x)\right )+16 b^2 \cosh \left (2 \cosh ^{-1}(c x)\right ) \cosh ^{-1}(c x)^2\right )-15 \sqrt{2 \pi } b^{5/2} \left (\sinh \left (\frac{2 a}{b}\right )+\cosh \left (\frac{2 a}{b}\right )\right ) \text{Erf}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )-15 \sqrt{2 \pi } b^{5/2} \left (\cosh \left (\frac{2 a}{b}\right )-\sinh \left (\frac{2 a}{b}\right )\right ) \text{Erfi}\left (\frac{\sqrt{2} \sqrt{a+b \cosh ^{-1}(c x)}}{\sqrt{b}}\right )}{512 c^2} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.124, size = 0, normalized size = 0. \begin{align*} \int x \left ( a+b{\rm arccosh} \left (cx\right ) \right ) ^{{\frac{5}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b \operatorname{arcosh}\left (c x\right ) + a\right )}^{\frac{5}{2}} x\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: UnboundLocalError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \mathit{sage}_{0} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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