Optimal. Leaf size=94 \[ \frac{4}{11} \sqrt{x} \left (x^{3/2}+x\right )^{3/2}+\frac{64 \left (x^{3/2}+x\right )^{3/2}}{231 \sqrt{x}}-\frac{256 \left (x^{3/2}+x\right )^{3/2}}{1155 x}+\frac{512 \left (x^{3/2}+x\right )^{3/2}}{3465 x^{3/2}}-\frac{32}{99} \left (x^{3/2}+x\right )^{3/2} \]
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Rubi [A] time = 0.0907418, antiderivative size = 94, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 3, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.231, Rules used = {2016, 2002, 2014} \[ \frac{4}{11} \sqrt{x} \left (x^{3/2}+x\right )^{3/2}+\frac{64 \left (x^{3/2}+x\right )^{3/2}}{231 \sqrt{x}}-\frac{256 \left (x^{3/2}+x\right )^{3/2}}{1155 x}+\frac{512 \left (x^{3/2}+x\right )^{3/2}}{3465 x^{3/2}}-\frac{32}{99} \left (x^{3/2}+x\right )^{3/2} \]
Antiderivative was successfully verified.
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Rule 2016
Rule 2002
Rule 2014
Rubi steps
\begin{align*} \int x \sqrt{x+x^{3/2}} \, dx &=\frac{4}{11} \sqrt{x} \left (x+x^{3/2}\right )^{3/2}-\frac{8}{11} \int \sqrt{x} \sqrt{x+x^{3/2}} \, dx\\ &=-\frac{32}{99} \left (x+x^{3/2}\right )^{3/2}+\frac{4}{11} \sqrt{x} \left (x+x^{3/2}\right )^{3/2}+\frac{16}{33} \int \sqrt{x+x^{3/2}} \, dx\\ &=-\frac{32}{99} \left (x+x^{3/2}\right )^{3/2}+\frac{64 \left (x+x^{3/2}\right )^{3/2}}{231 \sqrt{x}}+\frac{4}{11} \sqrt{x} \left (x+x^{3/2}\right )^{3/2}-\frac{64}{231} \int \frac{\sqrt{x+x^{3/2}}}{\sqrt{x}} \, dx\\ &=-\frac{32}{99} \left (x+x^{3/2}\right )^{3/2}-\frac{256 \left (x+x^{3/2}\right )^{3/2}}{1155 x}+\frac{64 \left (x+x^{3/2}\right )^{3/2}}{231 \sqrt{x}}+\frac{4}{11} \sqrt{x} \left (x+x^{3/2}\right )^{3/2}+\frac{128 \int \frac{\sqrt{x+x^{3/2}}}{x} \, dx}{1155}\\ &=-\frac{32}{99} \left (x+x^{3/2}\right )^{3/2}+\frac{512 \left (x+x^{3/2}\right )^{3/2}}{3465 x^{3/2}}-\frac{256 \left (x+x^{3/2}\right )^{3/2}}{1155 x}+\frac{64 \left (x+x^{3/2}\right )^{3/2}}{231 \sqrt{x}}+\frac{4}{11} \sqrt{x} \left (x+x^{3/2}\right )^{3/2}\\ \end{align*}
Mathematica [A] time = 0.0303241, size = 51, normalized size = 0.54 \[ \frac{4 \left (\sqrt{x}+1\right ) \sqrt{x^{3/2}+x} \left (315 x^2-280 x^{3/2}+240 x-192 \sqrt{x}+128\right )}{3465 \sqrt{x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 38, normalized size = 0.4 \begin{align*}{\frac{4}{3465}\sqrt{x+{x}^{{\frac{3}{2}}}} \left ( 1+\sqrt{x} \right ) \left ( 315\,{x}^{2}-280\,{x}^{3/2}+240\,x-192\,\sqrt{x}+128 \right ){\frac{1}{\sqrt{x}}}} \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 \sqrt{x^{\frac{3}{2}} + x} x\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.9217, size = 116, normalized size = 1.23 \begin{align*} \frac{4 \,{\left (315 \, x^{3} - 40 \, x^{2} +{\left (35 \, x^{2} + 48 \, x + 128\right )} \sqrt{x} - 64 \, x\right )} \sqrt{x^{\frac{3}{2}} + x}}{3465 \, x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x \sqrt{x^{\frac{3}{2}} + x}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.10183, size = 69, normalized size = 0.73 \begin{align*} \frac{4}{3465} \,{\left (315 \,{\left (\sqrt{x} + 1\right )}^{\frac{11}{2}} - 1540 \,{\left (\sqrt{x} + 1\right )}^{\frac{9}{2}} + 2970 \,{\left (\sqrt{x} + 1\right )}^{\frac{7}{2}} - 2772 \,{\left (\sqrt{x} + 1\right )}^{\frac{5}{2}} + 1155 \,{\left (\sqrt{x} + 1\right )}^{\frac{3}{2}} - 128\right )} \mathrm{sgn}\left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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