Optimal. Leaf size=198 \[ \frac{4 \sqrt{2} \left (x^2+2\right ) \sqrt{\frac{x^4+3 x^2+4}{\left (x^2+2\right )^2}} \text{EllipticF}\left (2 \tan ^{-1}\left (\frac{x}{\sqrt{2}}\right ),\frac{1}{8}\right )}{\sqrt{x^4+3 x^2+4}}+\frac{1}{7} x \left (x^4+3 x^2+4\right )^{3/2}+\frac{1}{35} x \left (9 x^2+49\right ) \sqrt{x^4+3 x^2+4}+\frac{138 x \sqrt{x^4+3 x^2+4}}{35 \left (x^2+2\right )}-\frac{138 \sqrt{2} \left (x^2+2\right ) \sqrt{\frac{x^4+3 x^2+4}{\left (x^2+2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{x}{\sqrt{2}}\right )|\frac{1}{8}\right )}{35 \sqrt{x^4+3 x^2+4}} \]
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Rubi [A] time = 0.0689473, antiderivative size = 198, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.357, Rules used = {1091, 1176, 1197, 1103, 1195} \[ \frac{1}{7} x \left (x^4+3 x^2+4\right )^{3/2}+\frac{1}{35} x \left (9 x^2+49\right ) \sqrt{x^4+3 x^2+4}+\frac{138 x \sqrt{x^4+3 x^2+4}}{35 \left (x^2+2\right )}+\frac{4 \sqrt{2} \left (x^2+2\right ) \sqrt{\frac{x^4+3 x^2+4}{\left (x^2+2\right )^2}} F\left (2 \tan ^{-1}\left (\frac{x}{\sqrt{2}}\right )|\frac{1}{8}\right )}{\sqrt{x^4+3 x^2+4}}-\frac{138 \sqrt{2} \left (x^2+2\right ) \sqrt{\frac{x^4+3 x^2+4}{\left (x^2+2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{x}{\sqrt{2}}\right )|\frac{1}{8}\right )}{35 \sqrt{x^4+3 x^2+4}} \]
Antiderivative was successfully verified.
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Rule 1091
Rule 1176
Rule 1197
Rule 1103
Rule 1195
Rubi steps
\begin{align*} \int \left (4+3 x^2+x^4\right )^{3/2} \, dx &=\frac{1}{7} x \left (4+3 x^2+x^4\right )^{3/2}+\frac{3}{7} \int \left (8+3 x^2\right ) \sqrt{4+3 x^2+x^4} \, dx\\ &=\frac{1}{35} x \left (49+9 x^2\right ) \sqrt{4+3 x^2+x^4}+\frac{1}{7} x \left (4+3 x^2+x^4\right )^{3/2}+\frac{1}{35} \int \frac{284+138 x^2}{\sqrt{4+3 x^2+x^4}} \, dx\\ &=\frac{1}{35} x \left (49+9 x^2\right ) \sqrt{4+3 x^2+x^4}+\frac{1}{7} x \left (4+3 x^2+x^4\right )^{3/2}-\frac{276}{35} \int \frac{1-\frac{x^2}{2}}{\sqrt{4+3 x^2+x^4}} \, dx+16 \int \frac{1}{\sqrt{4+3 x^2+x^4}} \, dx\\ &=\frac{138 x \sqrt{4+3 x^2+x^4}}{35 \left (2+x^2\right )}+\frac{1}{35} x \left (49+9 x^2\right ) \sqrt{4+3 x^2+x^4}+\frac{1}{7} x \left (4+3 x^2+x^4\right )^{3/2}-\frac{138 \sqrt{2} \left (2+x^2\right ) \sqrt{\frac{4+3 x^2+x^4}{\left (2+x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac{x}{\sqrt{2}}\right )|\frac{1}{8}\right )}{35 \sqrt{4+3 x^2+x^4}}+\frac{4 \sqrt{2} \left (2+x^2\right ) \sqrt{\frac{4+3 x^2+x^4}{\left (2+x^2\right )^2}} F\left (2 \tan ^{-1}\left (\frac{x}{\sqrt{2}}\right )|\frac{1}{8}\right )}{\sqrt{4+3 x^2+x^4}}\\ \end{align*}
Mathematica [C] time = 0.418245, size = 343, normalized size = 1.73 \[ \frac{\sqrt{2} \left (69 \sqrt{7}-77 i\right ) \sqrt{\frac{-2 i x^2+\sqrt{7}-3 i}{\sqrt{7}-3 i}} \sqrt{\frac{2 i x^2+\sqrt{7}+3 i}{\sqrt{7}+3 i}} \text{EllipticF}\left (i \sinh ^{-1}\left (\sqrt{-\frac{2 i}{\sqrt{7}-3 i}} x\right ),\frac{-\sqrt{7}+3 i}{\sqrt{7}+3 i}\right )+2 \sqrt{-\frac{i}{\sqrt{7}-3 i}} x \left (5 x^8+39 x^6+161 x^4+303 x^2+276\right )-69 \sqrt{2} \left (\sqrt{7}+3 i\right ) \sqrt{\frac{-2 i x^2+\sqrt{7}-3 i}{\sqrt{7}-3 i}} \sqrt{\frac{2 i x^2+\sqrt{7}+3 i}{\sqrt{7}+3 i}} E\left (i \sinh ^{-1}\left (\sqrt{-\frac{2 i}{-3 i+\sqrt{7}}} x\right )|\frac{3 i-\sqrt{7}}{3 i+\sqrt{7}}\right )}{70 \sqrt{-\frac{i}{\sqrt{7}-3 i}} \sqrt{x^4+3 x^2+4}} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.003, size = 258, normalized size = 1.3 \begin{align*}{\frac{{x}^{5}}{7}\sqrt{{x}^{4}+3\,{x}^{2}+4}}+{\frac{24\,{x}^{3}}{35}\sqrt{{x}^{4}+3\,{x}^{2}+4}}+{\frac{69\,x}{35}\sqrt{{x}^{4}+3\,{x}^{2}+4}}+{\frac{1136}{35\,\sqrt{-6+2\,i\sqrt{7}}}\sqrt{1- \left ( -{\frac{3}{8}}+{\frac{i}{8}}\sqrt{7} \right ){x}^{2}}\sqrt{1- \left ( -{\frac{3}{8}}-{\frac{i}{8}}\sqrt{7} \right ){x}^{2}}{\it EllipticF} \left ({\frac{x\sqrt{-6+2\,i\sqrt{7}}}{4}},{\frac{\sqrt{2+6\,i\sqrt{7}}}{4}} \right ){\frac{1}{\sqrt{{x}^{4}+3\,{x}^{2}+4}}}}-{\frac{4416}{35\,\sqrt{-6+2\,i\sqrt{7}} \left ( i\sqrt{7}+3 \right ) }\sqrt{1- \left ( -{\frac{3}{8}}+{\frac{i}{8}}\sqrt{7} \right ){x}^{2}}\sqrt{1- \left ( -{\frac{3}{8}}-{\frac{i}{8}}\sqrt{7} \right ){x}^{2}} \left ({\it EllipticF} \left ({\frac{x\sqrt{-6+2\,i\sqrt{7}}}{4}},{\frac{\sqrt{2+6\,i\sqrt{7}}}{4}} \right ) -{\it EllipticE} \left ({\frac{x\sqrt{-6+2\,i\sqrt{7}}}{4}},{\frac{\sqrt{2+6\,i\sqrt{7}}}{4}} \right ) \right ){\frac{1}{\sqrt{{x}^{4}+3\,{x}^{2}+4}}}} \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^{4} + 3 \, x^{2} + 4\right )}^{\frac{3}{2}}\,{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} + 3 \, x^{2} + 4\right )}^{\frac{3}{2}}, 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 \left (x^{4} + 3 x^{2} + 4\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^{4} + 3 \, x^{2} + 4\right )}^{\frac{3}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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