Integrand size = 22, antiderivative size = 179 \[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\frac {116 x \left (2+x^2\right )}{15 \sqrt {2+3 x^2+x^4}}+\frac {1}{105} x \left (519+149 x^2\right ) \sqrt {2+3 x^2+x^4}+\frac {1}{63} x \left (108+35 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2}-\frac {116 \sqrt {2} \left (1+x^2\right ) \sqrt {\frac {2+x^2}{1+x^2}} E\left (\arctan (x)\left |\frac {1}{2}\right .\right )}{15 \sqrt {2+3 x^2+x^4}}+\frac {197 \sqrt {2} \left (1+x^2\right ) \sqrt {\frac {2+x^2}{1+x^2}} \operatorname {EllipticF}\left (\arctan (x),\frac {1}{2}\right )}{35 \sqrt {2+3 x^2+x^4}} \]
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Time = 0.05 (sec) , antiderivative size = 179, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {1190, 1203, 1113, 1149} \[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\frac {197 \sqrt {2} \left (x^2+1\right ) \sqrt {\frac {x^2+2}{x^2+1}} \operatorname {EllipticF}\left (\arctan (x),\frac {1}{2}\right )}{35 \sqrt {x^4+3 x^2+2}}-\frac {116 \sqrt {2} \left (x^2+1\right ) \sqrt {\frac {x^2+2}{x^2+1}} E\left (\arctan (x)\left |\frac {1}{2}\right .\right )}{15 \sqrt {x^4+3 x^2+2}}+\frac {1}{63} x \left (35 x^2+108\right ) \left (x^4+3 x^2+2\right )^{3/2}+\frac {1}{105} x \left (149 x^2+519\right ) \sqrt {x^4+3 x^2+2}+\frac {116 x \left (x^2+2\right )}{15 \sqrt {x^4+3 x^2+2}} \]
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Rule 1113
Rule 1149
Rule 1190
Rule 1203
Rubi steps \begin{align*} \text {integral}& = \frac {1}{63} x \left (108+35 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2}+\frac {1}{21} \int \left (222+149 x^2\right ) \sqrt {2+3 x^2+x^4} \, dx \\ & = \frac {1}{105} x \left (519+149 x^2\right ) \sqrt {2+3 x^2+x^4}+\frac {1}{63} x \left (108+35 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2}+\frac {1}{315} \int \frac {3546+2436 x^2}{\sqrt {2+3 x^2+x^4}} \, dx \\ & = \frac {1}{105} x \left (519+149 x^2\right ) \sqrt {2+3 x^2+x^4}+\frac {1}{63} x \left (108+35 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2}+\frac {116}{15} \int \frac {x^2}{\sqrt {2+3 x^2+x^4}} \, dx+\frac {394}{35} \int \frac {1}{\sqrt {2+3 x^2+x^4}} \, dx \\ & = \frac {116 x \left (2+x^2\right )}{15 \sqrt {2+3 x^2+x^4}}+\frac {1}{105} x \left (519+149 x^2\right ) \sqrt {2+3 x^2+x^4}+\frac {1}{63} x \left (108+35 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2}-\frac {116 \sqrt {2} \left (1+x^2\right ) \sqrt {\frac {2+x^2}{1+x^2}} E\left (\tan ^{-1}(x)|\frac {1}{2}\right )}{15 \sqrt {2+3 x^2+x^4}}+\frac {197 \sqrt {2} \left (1+x^2\right ) \sqrt {\frac {2+x^2}{1+x^2}} F\left (\tan ^{-1}(x)|\frac {1}{2}\right )}{35 \sqrt {2+3 x^2+x^4}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 6.82 (sec) , antiderivative size = 119, normalized size of antiderivative = 0.66 \[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\frac {5274 x+12745 x^3+12018 x^5+5962 x^7+1590 x^9+175 x^{11}-2436 i \sqrt {1+x^2} \sqrt {2+x^2} E\left (\left .i \text {arcsinh}\left (\frac {x}{\sqrt {2}}\right )\right |2\right )-1110 i \sqrt {1+x^2} \sqrt {2+x^2} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\frac {x}{\sqrt {2}}\right ),2\right )}{315 \sqrt {2+3 x^2+x^4}} \]
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Result contains complex when optimal does not.
Time = 1.17 (sec) , antiderivative size = 138, normalized size of antiderivative = 0.77
method | result | size |
risch | \(\frac {x \left (175 x^{6}+1065 x^{4}+2417 x^{2}+2637\right ) \sqrt {x^{4}+3 x^{2}+2}}{315}-\frac {197 i \sqrt {2}\, \sqrt {2 x^{2}+4}\, \sqrt {x^{2}+1}\, F\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )}{35 \sqrt {x^{4}+3 x^{2}+2}}+\frac {58 i \sqrt {2}\, \sqrt {2 x^{2}+4}\, \sqrt {x^{2}+1}\, \left (F\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )-E\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )\right )}{15 \sqrt {x^{4}+3 x^{2}+2}}\) | \(138\) |
default | \(\frac {71 x^{5} \sqrt {x^{4}+3 x^{2}+2}}{21}+\frac {2417 x^{3} \sqrt {x^{4}+3 x^{2}+2}}{315}+\frac {293 x \sqrt {x^{4}+3 x^{2}+2}}{35}-\frac {197 i \sqrt {2}\, \sqrt {2 x^{2}+4}\, \sqrt {x^{2}+1}\, F\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )}{35 \sqrt {x^{4}+3 x^{2}+2}}+\frac {58 i \sqrt {2}\, \sqrt {2 x^{2}+4}\, \sqrt {x^{2}+1}\, \left (F\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )-E\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )\right )}{15 \sqrt {x^{4}+3 x^{2}+2}}+\frac {5 x^{7} \sqrt {x^{4}+3 x^{2}+2}}{9}\) | \(172\) |
elliptic | \(\frac {71 x^{5} \sqrt {x^{4}+3 x^{2}+2}}{21}+\frac {2417 x^{3} \sqrt {x^{4}+3 x^{2}+2}}{315}+\frac {293 x \sqrt {x^{4}+3 x^{2}+2}}{35}-\frac {197 i \sqrt {2}\, \sqrt {2 x^{2}+4}\, \sqrt {x^{2}+1}\, F\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )}{35 \sqrt {x^{4}+3 x^{2}+2}}+\frac {58 i \sqrt {2}\, \sqrt {2 x^{2}+4}\, \sqrt {x^{2}+1}\, \left (F\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )-E\left (\frac {i \sqrt {2}\, x}{2}, \sqrt {2}\right )\right )}{15 \sqrt {x^{4}+3 x^{2}+2}}+\frac {5 x^{7} \sqrt {x^{4}+3 x^{2}+2}}{9}\) | \(172\) |
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Result contains complex when optimal does not.
Time = 0.09 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.35 \[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\frac {-2436 i \, x E(\arcsin \left (\frac {i}{x}\right )\,|\,2) + 5982 i \, x F(\arcsin \left (\frac {i}{x}\right )\,|\,2) + {\left (175 \, x^{8} + 1065 \, x^{6} + 2417 \, x^{4} + 2637 \, x^{2} + 2436\right )} \sqrt {x^{4} + 3 \, x^{2} + 2}}{315 \, x} \]
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\[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\int \left (\left (x^{2} + 1\right ) \left (x^{2} + 2\right )\right )^{\frac {3}{2}} \cdot \left (5 x^{2} + 7\right )\, dx \]
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\[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\int { {\left (x^{4} + 3 \, x^{2} + 2\right )}^{\frac {3}{2}} {\left (5 \, x^{2} + 7\right )} \,d x } \]
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\[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\int { {\left (x^{4} + 3 \, x^{2} + 2\right )}^{\frac {3}{2}} {\left (5 \, x^{2} + 7\right )} \,d x } \]
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Timed out. \[ \int \left (7+5 x^2\right ) \left (2+3 x^2+x^4\right )^{3/2} \, dx=\int \left (5\,x^2+7\right )\,{\left (x^4+3\,x^2+2\right )}^{3/2} \,d x \]
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