Optimal. Leaf size=325 \[ \frac{18 \sqrt{2} 3^{3/4} (x+1)^{3/2} \sqrt{x^2-x+1} \sqrt{\frac{x^2-x+1}{\left (x+\sqrt{3}+1\right )^2}} \text{EllipticF}\left (\sin ^{-1}\left (\frac{x-\sqrt{3}+1}{x+\sqrt{3}+1}\right ),-7-4 \sqrt{3}\right )}{91 \sqrt{\frac{x+1}{\left (x+\sqrt{3}+1\right )^2}} \left (x^3+1\right )}+\frac{2}{13} \sqrt{x+1} \sqrt{x^2-x+1} \left (x^3+1\right ) x^2+\frac{18}{91} \sqrt{x+1} \sqrt{x^2-x+1} x^2+\frac{54 \sqrt{x+1} \sqrt{x^2-x+1}}{91 \left (x+\sqrt{3}+1\right )}-\frac{27 \sqrt [4]{3} \sqrt{2-\sqrt{3}} (x+1)^{3/2} \sqrt{x^2-x+1} \sqrt{\frac{x^2-x+1}{\left (x+\sqrt{3}+1\right )^2}} E\left (\sin ^{-1}\left (\frac{x-\sqrt{3}+1}{x+\sqrt{3}+1}\right )|-7-4 \sqrt{3}\right )}{91 \sqrt{\frac{x+1}{\left (x+\sqrt{3}+1\right )^2}} \left (x^3+1\right )} \]
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Rubi [A] time = 0.106791, antiderivative size = 325, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.238, Rules used = {809, 279, 303, 218, 1877} \[ \frac{2}{13} \sqrt{x+1} \sqrt{x^2-x+1} \left (x^3+1\right ) x^2+\frac{18}{91} \sqrt{x+1} \sqrt{x^2-x+1} x^2+\frac{54 \sqrt{x+1} \sqrt{x^2-x+1}}{91 \left (x+\sqrt{3}+1\right )}+\frac{18 \sqrt{2} 3^{3/4} (x+1)^{3/2} \sqrt{x^2-x+1} \sqrt{\frac{x^2-x+1}{\left (x+\sqrt{3}+1\right )^2}} F\left (\sin ^{-1}\left (\frac{x-\sqrt{3}+1}{x+\sqrt{3}+1}\right )|-7-4 \sqrt{3}\right )}{91 \sqrt{\frac{x+1}{\left (x+\sqrt{3}+1\right )^2}} \left (x^3+1\right )}-\frac{27 \sqrt [4]{3} \sqrt{2-\sqrt{3}} (x+1)^{3/2} \sqrt{x^2-x+1} \sqrt{\frac{x^2-x+1}{\left (x+\sqrt{3}+1\right )^2}} E\left (\sin ^{-1}\left (\frac{x-\sqrt{3}+1}{x+\sqrt{3}+1}\right )|-7-4 \sqrt{3}\right )}{91 \sqrt{\frac{x+1}{\left (x+\sqrt{3}+1\right )^2}} \left (x^3+1\right )} \]
Antiderivative was successfully verified.
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Rule 809
Rule 279
Rule 303
Rule 218
Rule 1877
Rubi steps
\begin{align*} \int x (1+x)^{3/2} \left (1-x+x^2\right )^{3/2} \, dx &=\frac{\left (\sqrt{1+x} \sqrt{1-x+x^2}\right ) \int x \left (1+x^3\right )^{3/2} \, dx}{\sqrt{1+x^3}}\\ &=\frac{2}{13} x^2 \sqrt{1+x} \sqrt{1-x+x^2} \left (1+x^3\right )+\frac{\left (9 \sqrt{1+x} \sqrt{1-x+x^2}\right ) \int x \sqrt{1+x^3} \, dx}{13 \sqrt{1+x^3}}\\ &=\frac{18}{91} x^2 \sqrt{1+x} \sqrt{1-x+x^2}+\frac{2}{13} x^2 \sqrt{1+x} \sqrt{1-x+x^2} \left (1+x^3\right )+\frac{\left (27 \sqrt{1+x} \sqrt{1-x+x^2}\right ) \int \frac{x}{\sqrt{1+x^3}} \, dx}{91 \sqrt{1+x^3}}\\ &=\frac{18}{91} x^2 \sqrt{1+x} \sqrt{1-x+x^2}+\frac{2}{13} x^2 \sqrt{1+x} \sqrt{1-x+x^2} \left (1+x^3\right )+\frac{\left (27 \sqrt{1+x} \sqrt{1-x+x^2}\right ) \int \frac{1-\sqrt{3}+x}{\sqrt{1+x^3}} \, dx}{91 \sqrt{1+x^3}}+\frac{\left (27 \sqrt{2 \left (2-\sqrt{3}\right )} \sqrt{1+x} \sqrt{1-x+x^2}\right ) \int \frac{1}{\sqrt{1+x^3}} \, dx}{91 \sqrt{1+x^3}}\\ &=\frac{18}{91} x^2 \sqrt{1+x} \sqrt{1-x+x^2}+\frac{54 \sqrt{1+x} \sqrt{1-x+x^2}}{91 \left (1+\sqrt{3}+x\right )}+\frac{2}{13} x^2 \sqrt{1+x} \sqrt{1-x+x^2} \left (1+x^3\right )-\frac{27 \sqrt [4]{3} \sqrt{2-\sqrt{3}} (1+x)^{3/2} \sqrt{1-x+x^2} \sqrt{\frac{1-x+x^2}{\left (1+\sqrt{3}+x\right )^2}} E\left (\sin ^{-1}\left (\frac{1-\sqrt{3}+x}{1+\sqrt{3}+x}\right )|-7-4 \sqrt{3}\right )}{91 \sqrt{\frac{1+x}{\left (1+\sqrt{3}+x\right )^2}} \left (1+x^3\right )}+\frac{18 \sqrt{2} 3^{3/4} (1+x)^{3/2} \sqrt{1-x+x^2} \sqrt{\frac{1-x+x^2}{\left (1+\sqrt{3}+x\right )^2}} F\left (\sin ^{-1}\left (\frac{1-\sqrt{3}+x}{1+\sqrt{3}+x}\right )|-7-4 \sqrt{3}\right )}{91 \sqrt{\frac{1+x}{\left (1+\sqrt{3}+x\right )^2}} \left (1+x^3\right )}\\ \end{align*}
Mathematica [C] time = 0.488259, size = 244, normalized size = 0.75 \[ \frac{\sqrt{x+1} \left (4 x^2 \left (x^2-x+1\right ) \left (7 x^3+16\right )-\frac{27 \sqrt{2} \sqrt{\frac{2 i x+\sqrt{3}-i}{\sqrt{3}-3 i}} \left (\left (\sqrt{3}-3 i\right ) E\left (i \sinh ^{-1}\left (\sqrt{2} \sqrt{-\frac{i (x+1)}{3 i+\sqrt{3}}}\right )|\frac{3 i+\sqrt{3}}{3 i-\sqrt{3}}\right )-\left (\sqrt{3}-i\right ) \text{EllipticF}\left (i \sinh ^{-1}\left (\sqrt{2} \sqrt{-\frac{i (x+1)}{\sqrt{3}+3 i}}\right ),\frac{\sqrt{3}+3 i}{-\sqrt{3}+3 i}\right )\right )}{\sqrt{-\frac{i (x+1)}{-2 i x+\sqrt{3}+i}}}\right )}{182 \sqrt{x^2-x+1}} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.577, size = 366, normalized size = 1.1 \begin{align*}{\frac{1}{91\,{x}^{3}+91}\sqrt{1+x}\sqrt{{x}^{2}-x+1} \left ( 14\,{x}^{8}+27\,i\sqrt{-2\,{\frac{1+x}{i\sqrt{3}-3}}}\sqrt{{\frac{i\sqrt{3}-2\,x+1}{i\sqrt{3}+3}}}\sqrt{{\frac{2\,x-1+i\sqrt{3}}{i\sqrt{3}-3}}}{\it EllipticF} \left ( \sqrt{-2\,{\frac{1+x}{i\sqrt{3}-3}}},\sqrt{-{\frac{i\sqrt{3}-3}{i\sqrt{3}+3}}} \right ) \sqrt{3}+46\,{x}^{5}+81\,\sqrt{-2\,{\frac{1+x}{i\sqrt{3}-3}}}\sqrt{{\frac{i\sqrt{3}-2\,x+1}{i\sqrt{3}+3}}}\sqrt{{\frac{2\,x-1+i\sqrt{3}}{i\sqrt{3}-3}}}{\it EllipticF} \left ( \sqrt{-2\,{\frac{1+x}{i\sqrt{3}-3}}},\sqrt{-{\frac{i\sqrt{3}-3}{i\sqrt{3}+3}}} \right ) -162\,\sqrt{-2\,{\frac{1+x}{i\sqrt{3}-3}}}\sqrt{{\frac{i\sqrt{3}-2\,x+1}{i\sqrt{3}+3}}}\sqrt{{\frac{2\,x-1+i\sqrt{3}}{i\sqrt{3}-3}}}{\it EllipticE} \left ( \sqrt{-2\,{\frac{1+x}{i\sqrt{3}-3}}},\sqrt{-{\frac{i\sqrt{3}-3}{i\sqrt{3}+3}}} \right ) +32\,{x}^{2} \right ) } \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 (x^{2} - x + 1\right )}^{\frac{3}{2}}{\left (x + 1\right )}^{\frac{3}{2}} x\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (x^{4} + x\right )} \sqrt{x^{2} - x + 1} \sqrt{x + 1}, x\right ) \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 \left (x + 1\right )^{\frac{3}{2}} \left (x^{2} - x + 1\right )^{\frac{3}{2}}\, dx \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{\left (x^{2} - x + 1\right )}^{\frac{3}{2}}{\left (x + 1\right )}^{\frac{3}{2}} x\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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