Optimal. Leaf size=20 \[ -\frac {2 \sqrt {2-e x}}{\sqrt {3} e} \]
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Rubi [A]
time = 0.01, antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {641, 32}
\begin {gather*} -\frac {2 \sqrt {2-e x}}{\sqrt {3} e} \end {gather*}
Antiderivative was successfully verified.
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Rule 32
Rule 641
Rubi steps
\begin {align*} \int \frac {\sqrt {2+e x}}{\sqrt {12-3 e^2 x^2}} \, dx &=\int \frac {1}{\sqrt {6-3 e x}} \, dx\\ &=-\frac {2 \sqrt {2-e x}}{\sqrt {3} e}\\ \end {align*}
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Mathematica [A]
time = 0.15, size = 29, normalized size = 1.45 \begin {gather*} -\frac {2 \sqrt {4-e^2 x^2}}{e \sqrt {6+3 e x}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.48, size = 25, normalized size = 1.25
method | result | size |
default | \(-\frac {2 \sqrt {-3 e^{2} x^{2}+12}}{3 \sqrt {e x +2}\, e}\) | \(25\) |
gosper | \(\frac {2 \left (e x -2\right ) \sqrt {e x +2}}{e \sqrt {-3 e^{2} x^{2}+12}}\) | \(30\) |
risch | \(\frac {2 \left (e x -2\right ) \sqrt {\frac {-3 e^{2} x^{2}+12}{e x +2}}\, \sqrt {e x +2}}{e \sqrt {-3 e x +6}\, \sqrt {-3 e^{2} x^{2}+12}}\) | \(58\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] Result contains complex when optimal does not.
time = 0.50, size = 26, normalized size = 1.30 \begin {gather*} \frac {2 \, {\left (-i \, \sqrt {3} x e + 2 i \, \sqrt {3}\right )} e^{\left (-1\right )}}{3 \, \sqrt {x e - 2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.65, size = 32, normalized size = 1.60 \begin {gather*} -\frac {2 \, \sqrt {-3 \, x^{2} e^{2} + 12} \sqrt {x e + 2}}{3 \, {\left (x e^{2} + 2 \, e\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*} \frac {\sqrt {3} \int \frac {\sqrt {e x + 2}}{\sqrt {- e^{2} x^{2} + 4}}\, dx}{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.39, size = 18, normalized size = 0.90 \begin {gather*} -\frac {2}{3} \, \sqrt {3} {\left (\sqrt {-x e + 2} - 2\right )} e^{\left (-1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.15, size = 24, normalized size = 1.20 \begin {gather*} -\frac {2\,\sqrt {12-3\,e^2\,x^2}}{3\,e\,\sqrt {e\,x+2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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