Integrand size = 10, antiderivative size = 72 \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=-\frac {5}{48} \sqrt {x} \sqrt {1+x}+\frac {5}{72} x^{3/2} \sqrt {1+x}-\frac {1}{18} x^{5/2} \sqrt {1+x}+\frac {5 \text {arcsinh}\left (\sqrt {x}\right )}{48}+\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right ) \]
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Time = 0.02 (sec) , antiderivative size = 72, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5875, 12, 52, 56, 221} \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )+\frac {5 \text {arcsinh}\left (\sqrt {x}\right )}{48}-\frac {1}{18} \sqrt {x+1} x^{5/2}+\frac {5}{72} \sqrt {x+1} x^{3/2}-\frac {5}{48} \sqrt {x+1} \sqrt {x} \]
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Rule 12
Rule 52
Rule 56
Rule 221
Rule 5875
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )-\frac {1}{3} \int \frac {x^{5/2}}{2 \sqrt {1+x}} \, dx \\ & = \frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )-\frac {1}{6} \int \frac {x^{5/2}}{\sqrt {1+x}} \, dx \\ & = -\frac {1}{18} x^{5/2} \sqrt {1+x}+\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )+\frac {5}{36} \int \frac {x^{3/2}}{\sqrt {1+x}} \, dx \\ & = \frac {5}{72} x^{3/2} \sqrt {1+x}-\frac {1}{18} x^{5/2} \sqrt {1+x}+\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )-\frac {5}{48} \int \frac {\sqrt {x}}{\sqrt {1+x}} \, dx \\ & = -\frac {5}{48} \sqrt {x} \sqrt {1+x}+\frac {5}{72} x^{3/2} \sqrt {1+x}-\frac {1}{18} x^{5/2} \sqrt {1+x}+\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )+\frac {5}{96} \int \frac {1}{\sqrt {x} \sqrt {1+x}} \, dx \\ & = -\frac {5}{48} \sqrt {x} \sqrt {1+x}+\frac {5}{72} x^{3/2} \sqrt {1+x}-\frac {1}{18} x^{5/2} \sqrt {1+x}+\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right )+\frac {5}{48} \text {Subst}\left (\int \frac {1}{\sqrt {1+x^2}} \, dx,x,\sqrt {x}\right ) \\ & = -\frac {5}{48} \sqrt {x} \sqrt {1+x}+\frac {5}{72} x^{3/2} \sqrt {1+x}-\frac {1}{18} x^{5/2} \sqrt {1+x}+\frac {5 \text {arcsinh}\left (\sqrt {x}\right )}{48}+\frac {1}{3} x^3 \text {arcsinh}\left (\sqrt {x}\right ) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.60 \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=\frac {1}{144} \left (\sqrt {x} \sqrt {1+x} \left (-15+10 x-8 x^2\right )+3 \left (5+16 x^3\right ) \text {arcsinh}\left (\sqrt {x}\right )\right ) \]
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Time = 0.06 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.65
method | result | size |
derivativedivides | \(\frac {5 \,\operatorname {arcsinh}\left (\sqrt {x}\right )}{48}+\frac {x^{3} \operatorname {arcsinh}\left (\sqrt {x}\right )}{3}+\frac {5 x^{\frac {3}{2}} \sqrt {1+x}}{72}-\frac {x^{\frac {5}{2}} \sqrt {1+x}}{18}-\frac {5 \sqrt {x}\, \sqrt {1+x}}{48}\) | \(47\) |
default | \(\frac {5 \,\operatorname {arcsinh}\left (\sqrt {x}\right )}{48}+\frac {x^{3} \operatorname {arcsinh}\left (\sqrt {x}\right )}{3}+\frac {5 x^{\frac {3}{2}} \sqrt {1+x}}{72}-\frac {x^{\frac {5}{2}} \sqrt {1+x}}{18}-\frac {5 \sqrt {x}\, \sqrt {1+x}}{48}\) | \(47\) |
parts | \(\frac {x^{3} \operatorname {arcsinh}\left (\sqrt {x}\right )}{3}-\frac {x^{\frac {5}{2}} \sqrt {1+x}}{18}+\frac {5 x^{\frac {3}{2}} \sqrt {1+x}}{72}-\frac {5 \sqrt {x}\, \sqrt {1+x}}{48}+\frac {5 \sqrt {x \left (1+x \right )}\, \ln \left (\frac {1}{2}+x +\sqrt {x^{2}+x}\right )}{96 \sqrt {x}\, \sqrt {1+x}}\) | \(69\) |
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Time = 0.26 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.56 \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=-\frac {1}{144} \, {\left (8 \, x^{2} - 10 \, x + 15\right )} \sqrt {x + 1} \sqrt {x} + \frac {1}{48} \, {\left (16 \, x^{3} + 5\right )} \log \left (\sqrt {x + 1} + \sqrt {x}\right ) \]
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\[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=\int x^{2} \operatorname {asinh}{\left (\sqrt {x} \right )}\, dx \]
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Time = 0.37 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.64 \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=\frac {1}{3} \, x^{3} \operatorname {arsinh}\left (\sqrt {x}\right ) - \frac {1}{18} \, \sqrt {x + 1} x^{\frac {5}{2}} + \frac {5}{72} \, \sqrt {x + 1} x^{\frac {3}{2}} - \frac {5}{48} \, \sqrt {x + 1} \sqrt {x} + \frac {5}{48} \, \operatorname {arsinh}\left (\sqrt {x}\right ) \]
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Time = 0.26 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.69 \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=\frac {1}{3} \, x^{3} \log \left (\sqrt {x + 1} + \sqrt {x}\right ) - \frac {1}{144} \, {\left (2 \, {\left (4 \, x - 5\right )} x + 15\right )} \sqrt {x + 1} \sqrt {x} - \frac {5}{48} \, \log \left (\sqrt {x + 1} - \sqrt {x}\right ) \]
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Timed out. \[ \int x^2 \text {arcsinh}\left (\sqrt {x}\right ) \, dx=\int x^2\,\mathrm {asinh}\left (\sqrt {x}\right ) \,d x \]
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