Optimal. Leaf size=53 \[ -\frac {8}{3} \sqrt {2+x^6}+\frac {4}{3} \left (2+x^6\right )^{3/2}-\frac {2}{5} \left (2+x^6\right )^{5/2}+\frac {1}{21} \left (2+x^6\right )^{7/2} \]
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Rubi [A]
time = 0.01, antiderivative size = 53, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {272, 45}
\begin {gather*} \frac {1}{21} \left (x^6+2\right )^{7/2}-\frac {2}{5} \left (x^6+2\right )^{5/2}+\frac {4}{3} \left (x^6+2\right )^{3/2}-\frac {8 \sqrt {x^6+2}}{3} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 272
Rubi steps
\begin {align*} \int \frac {x^{23}}{\sqrt {2+x^6}} \, dx &=\frac {1}{6} \text {Subst}\left (\int \frac {x^3}{\sqrt {2+x}} \, dx,x,x^6\right )\\ &=\frac {1}{6} \text {Subst}\left (\int \left (-\frac {8}{\sqrt {2+x}}+12 \sqrt {2+x}-6 (2+x)^{3/2}+(2+x)^{5/2}\right ) \, dx,x,x^6\right )\\ &=-\frac {8}{3} \sqrt {2+x^6}+\frac {4}{3} \left (2+x^6\right )^{3/2}-\frac {2}{5} \left (2+x^6\right )^{5/2}+\frac {1}{21} \left (2+x^6\right )^{7/2}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 30, normalized size = 0.57 \begin {gather*} \frac {1}{105} \sqrt {2+x^6} \left (-128+32 x^6-12 x^{12}+5 x^{18}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.17, size = 26, normalized size = 0.49
method | result | size |
trager | \(\sqrt {x^{6}+2}\, \left (-\frac {128}{105}+\frac {32}{105} x^{6}-\frac {4}{35} x^{12}+\frac {1}{21} x^{18}\right )\) | \(26\) |
gosper | \(\frac {\sqrt {x^{6}+2}\, \left (5 x^{18}-12 x^{12}+32 x^{6}-128\right )}{105}\) | \(27\) |
risch | \(\frac {\sqrt {x^{6}+2}\, \left (5 x^{18}-12 x^{12}+32 x^{6}-128\right )}{105}\) | \(27\) |
meijerg | \(\frac {4 \sqrt {2}\, \left (\frac {32 \sqrt {\pi }}{35}-\frac {\sqrt {\pi }\, \left (-5 x^{18}+12 x^{12}-32 x^{6}+128\right ) \sqrt {1+\frac {x^{6}}{2}}}{140}\right )}{3 \sqrt {\pi }}\) | \(46\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 37, normalized size = 0.70 \begin {gather*} \frac {1}{21} \, {\left (x^{6} + 2\right )}^{\frac {7}{2}} - \frac {2}{5} \, {\left (x^{6} + 2\right )}^{\frac {5}{2}} + \frac {4}{3} \, {\left (x^{6} + 2\right )}^{\frac {3}{2}} - \frac {8}{3} \, \sqrt {x^{6} + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 26, normalized size = 0.49 \begin {gather*} \frac {1}{105} \, {\left (5 \, x^{18} - 12 \, x^{12} + 32 \, x^{6} - 128\right )} \sqrt {x^{6} + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 1.07, size = 54, normalized size = 1.02 \begin {gather*} \frac {x^{18} \sqrt {x^{6} + 2}}{21} - \frac {4 x^{12} \sqrt {x^{6} + 2}}{35} + \frac {32 x^{6} \sqrt {x^{6} + 2}}{105} - \frac {128 \sqrt {x^{6} + 2}}{105} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.16, size = 37, normalized size = 0.70 \begin {gather*} \frac {1}{21} \, {\left (x^{6} + 2\right )}^{\frac {7}{2}} - \frac {2}{5} \, {\left (x^{6} + 2\right )}^{\frac {5}{2}} + \frac {4}{3} \, {\left (x^{6} + 2\right )}^{\frac {3}{2}} - \frac {8}{3} \, \sqrt {x^{6} + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.15, size = 25, normalized size = 0.47 \begin {gather*} \sqrt {x^6+2}\,\left (\frac {x^{18}}{21}-\frac {4\,x^{12}}{35}+\frac {32\,x^6}{105}-\frac {128}{105}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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