Optimal. Leaf size=210 \[ -\frac{15 \sqrt{\pi } \text{Erf}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{64 a^3}+\frac{5 \sqrt{\frac{\pi }{3}} \text{Erf}\left (\sqrt{3} \sqrt{\sinh ^{-1}(a x)}\right )}{576 a^3}+\frac{15 \sqrt{\pi } \text{Erfi}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{64 a^3}-\frac{5 \sqrt{\frac{\pi }{3}} \text{Erfi}\left (\sqrt{3} \sqrt{\sinh ^{-1}(a x)}\right )}{576 a^3}-\frac{5 x^2 \sqrt{a^2 x^2+1} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{5 \sqrt{a^2 x^2+1} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)} \]
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Rubi [A] time = 0.55076, antiderivative size = 210, normalized size of antiderivative = 1., number of steps used = 24, number of rules used = 10, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.833, Rules used = {5663, 5758, 5717, 5653, 5779, 3308, 2180, 2204, 2205, 3312} \[ -\frac{15 \sqrt{\pi } \text{Erf}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{64 a^3}+\frac{5 \sqrt{\frac{\pi }{3}} \text{Erf}\left (\sqrt{3} \sqrt{\sinh ^{-1}(a x)}\right )}{576 a^3}+\frac{15 \sqrt{\pi } \text{Erfi}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{64 a^3}-\frac{5 \sqrt{\frac{\pi }{3}} \text{Erfi}\left (\sqrt{3} \sqrt{\sinh ^{-1}(a x)}\right )}{576 a^3}-\frac{5 x^2 \sqrt{a^2 x^2+1} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{5 \sqrt{a^2 x^2+1} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)} \]
Antiderivative was successfully verified.
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Rule 5663
Rule 5758
Rule 5717
Rule 5653
Rule 5779
Rule 3308
Rule 2180
Rule 2204
Rule 2205
Rule 3312
Rubi steps
\begin{align*} \int x^2 \sinh ^{-1}(a x)^{5/2} \, dx &=\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{1}{6} (5 a) \int \frac{x^3 \sinh ^{-1}(a x)^{3/2}}{\sqrt{1+a^2 x^2}} \, dx\\ &=-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}+\frac{5}{12} \int x^2 \sqrt{\sinh ^{-1}(a x)} \, dx+\frac{5 \int \frac{x \sinh ^{-1}(a x)^{3/2}}{\sqrt{1+a^2 x^2}} \, dx}{9 a}\\ &=\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{5 \int \sqrt{\sinh ^{-1}(a x)} \, dx}{6 a^2}-\frac{1}{72} (5 a) \int \frac{x^3}{\sqrt{1+a^2 x^2} \sqrt{\sinh ^{-1}(a x)}} \, dx\\ &=-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{5 \operatorname{Subst}\left (\int \frac{\sinh ^3(x)}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{72 a^3}+\frac{5 \int \frac{x}{\sqrt{1+a^2 x^2} \sqrt{\sinh ^{-1}(a x)}} \, dx}{12 a}\\ &=-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{(5 i) \operatorname{Subst}\left (\int \left (\frac{3 i \sinh (x)}{4 \sqrt{x}}-\frac{i \sinh (3 x)}{4 \sqrt{x}}\right ) \, dx,x,\sinh ^{-1}(a x)\right )}{72 a^3}+\frac{5 \operatorname{Subst}\left (\int \frac{\sinh (x)}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{12 a^3}\\ &=-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{5 \operatorname{Subst}\left (\int \frac{\sinh (3 x)}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{288 a^3}+\frac{5 \operatorname{Subst}\left (\int \frac{\sinh (x)}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{96 a^3}-\frac{5 \operatorname{Subst}\left (\int \frac{e^{-x}}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{24 a^3}+\frac{5 \operatorname{Subst}\left (\int \frac{e^x}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{24 a^3}\\ &=-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}+\frac{5 \operatorname{Subst}\left (\int \frac{e^{-3 x}}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{576 a^3}-\frac{5 \operatorname{Subst}\left (\int \frac{e^{3 x}}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{576 a^3}-\frac{5 \operatorname{Subst}\left (\int \frac{e^{-x}}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{192 a^3}+\frac{5 \operatorname{Subst}\left (\int \frac{e^x}{\sqrt{x}} \, dx,x,\sinh ^{-1}(a x)\right )}{192 a^3}-\frac{5 \operatorname{Subst}\left (\int e^{-x^2} \, dx,x,\sqrt{\sinh ^{-1}(a x)}\right )}{12 a^3}+\frac{5 \operatorname{Subst}\left (\int e^{x^2} \, dx,x,\sqrt{\sinh ^{-1}(a x)}\right )}{12 a^3}\\ &=-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{5 \sqrt{\pi } \text{erf}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{24 a^3}+\frac{5 \sqrt{\pi } \text{erfi}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{24 a^3}+\frac{5 \operatorname{Subst}\left (\int e^{-3 x^2} \, dx,x,\sqrt{\sinh ^{-1}(a x)}\right )}{288 a^3}-\frac{5 \operatorname{Subst}\left (\int e^{3 x^2} \, dx,x,\sqrt{\sinh ^{-1}(a x)}\right )}{288 a^3}-\frac{5 \operatorname{Subst}\left (\int e^{-x^2} \, dx,x,\sqrt{\sinh ^{-1}(a x)}\right )}{96 a^3}+\frac{5 \operatorname{Subst}\left (\int e^{x^2} \, dx,x,\sqrt{\sinh ^{-1}(a x)}\right )}{96 a^3}\\ &=-\frac{5 x \sqrt{\sinh ^{-1}(a x)}}{6 a^2}+\frac{5}{36} x^3 \sqrt{\sinh ^{-1}(a x)}+\frac{5 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{9 a^3}-\frac{5 x^2 \sqrt{1+a^2 x^2} \sinh ^{-1}(a x)^{3/2}}{18 a}+\frac{1}{3} x^3 \sinh ^{-1}(a x)^{5/2}-\frac{15 \sqrt{\pi } \text{erf}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{64 a^3}+\frac{5 \sqrt{\frac{\pi }{3}} \text{erf}\left (\sqrt{3} \sqrt{\sinh ^{-1}(a x)}\right )}{576 a^3}+\frac{15 \sqrt{\pi } \text{erfi}\left (\sqrt{\sinh ^{-1}(a x)}\right )}{64 a^3}-\frac{5 \sqrt{\frac{\pi }{3}} \text{erfi}\left (\sqrt{3} \sqrt{\sinh ^{-1}(a x)}\right )}{576 a^3}\\ \end{align*}
Mathematica [A] time = 0.0364341, size = 101, normalized size = 0.48 \[ \frac{\sqrt{3} \sqrt{\sinh ^{-1}(a x)} \text{Gamma}\left (\frac{7}{2},-3 \sinh ^{-1}(a x)\right )-81 \sqrt{\sinh ^{-1}(a x)} \text{Gamma}\left (\frac{7}{2},-\sinh ^{-1}(a x)\right )+\sqrt{-\sinh ^{-1}(a x)} \left (81 \text{Gamma}\left (\frac{7}{2},\sinh ^{-1}(a x)\right )-\sqrt{3} \text{Gamma}\left (\frac{7}{2},3 \sinh ^{-1}(a x)\right )\right )}{648 a^3 \sqrt{-\sinh ^{-1}(a x)}} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.1, size = 0, normalized size = 0. \begin{align*} \int{x}^{2} \left ({\it Arcsinh} \left ( ax \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 x^{2} \operatorname{arsinh}\left (a x\right )^{\frac{5}{2}}\,{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*} \int x^{2} \operatorname{arsinh}\left (a x\right )^{\frac{5}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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