Optimal. Leaf size=49 \[ \sqrt {\frac {2}{-5+\sqrt {97}}} F\left (\sin ^{-1}\left (3 \sqrt {\frac {2}{5+\sqrt {97}}} x\right )|\frac {1}{36} \left (-61-5 \sqrt {97}\right )\right ) \]
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Rubi [A]
time = 0.05, antiderivative size = 49, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {1109, 430}
\begin {gather*} \sqrt {\frac {2}{\sqrt {97}-5}} F\left (\text {ArcSin}\left (3 \sqrt {\frac {2}{5+\sqrt {97}}} x\right )|\frac {1}{36} \left (-61-5 \sqrt {97}\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 430
Rule 1109
Rubi steps
\begin {align*} \int \frac {1}{\sqrt {2+5 x^2-9 x^4}} \, dx &=6 \int \frac {1}{\sqrt {5+\sqrt {97}-18 x^2} \sqrt {-5+\sqrt {97}+18 x^2}} \, dx\\ &=\sqrt {\frac {2}{-5+\sqrt {97}}} F\left (\sin ^{-1}\left (3 \sqrt {\frac {2}{5+\sqrt {97}}} x\right )|\frac {1}{36} \left (-61-5 \sqrt {97}\right )\right )\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 10.04, size = 56, normalized size = 1.14 \begin {gather*} -i \sqrt {\frac {2}{5+\sqrt {97}}} F\left (i \sinh ^{-1}\left (3 \sqrt {\frac {2}{-5+\sqrt {97}}} x\right )|\frac {1}{36} \left (-61+5 \sqrt {97}\right )\right ) \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 79 vs. \(2 (38 ) = 76\).
time = 0.07, size = 80, normalized size = 1.63
method | result | size |
default | \(\frac {2 \sqrt {1-\left (-\frac {5}{4}+\frac {\sqrt {97}}{4}\right ) x^{2}}\, \sqrt {1-\left (-\frac {5}{4}-\frac {\sqrt {97}}{4}\right ) x^{2}}\, \EllipticF \left (\frac {x \sqrt {-5+\sqrt {97}}}{2}, \frac {5 i \sqrt {2}}{12}+\frac {i \sqrt {194}}{12}\right )}{\sqrt {-5+\sqrt {97}}\, \sqrt {-9 x^{4}+5 x^{2}+2}}\) | \(80\) |
elliptic | \(\frac {2 \sqrt {1-\left (-\frac {5}{4}+\frac {\sqrt {97}}{4}\right ) x^{2}}\, \sqrt {1-\left (-\frac {5}{4}-\frac {\sqrt {97}}{4}\right ) x^{2}}\, \EllipticF \left (\frac {x \sqrt {-5+\sqrt {97}}}{2}, \frac {5 i \sqrt {2}}{12}+\frac {i \sqrt {194}}{12}\right )}{\sqrt {-5+\sqrt {97}}\, \sqrt {-9 x^{4}+5 x^{2}+2}}\) | \(80\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.08, size = 40, normalized size = 0.82 \begin {gather*} \frac {1}{72} \, {\left (\sqrt {97} \sqrt {2} + 5 \, \sqrt {2}\right )} \sqrt {\sqrt {97} - 5} {\rm ellipticF}\left (\frac {1}{2} \, x \sqrt {\sqrt {97} - 5}, -\frac {5}{36} \, \sqrt {97} - \frac {61}{36}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{\sqrt {- 9 x^{4} + 5 x^{2} + 2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.02 \begin {gather*} \int \frac {1}{\sqrt {-9\,x^4+5\,x^2+2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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