Optimal. Leaf size=46 \[ \frac {27}{64} \left (9+4 x^2\right )^{3/2}-\frac {9}{160} \left (9+4 x^2\right )^{5/2}+\frac {1}{448} \left (9+4 x^2\right )^{7/2} \]
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Rubi [A]
time = 0.01, antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {272, 45}
\begin {gather*} \frac {1}{448} \left (4 x^2+9\right )^{7/2}-\frac {9}{160} \left (4 x^2+9\right )^{5/2}+\frac {27}{64} \left (4 x^2+9\right )^{3/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 272
Rubi steps
\begin {align*} \int x^5 \sqrt {9+4 x^2} \, dx &=\frac {1}{2} \text {Subst}\left (\int x^2 \sqrt {9+4 x} \, dx,x,x^2\right )\\ &=\frac {1}{2} \text {Subst}\left (\int \left (\frac {81}{16} \sqrt {9+4 x}-\frac {9}{8} (9+4 x)^{3/2}+\frac {1}{16} (9+4 x)^{5/2}\right ) \, dx,x,x^2\right )\\ &=\frac {27}{64} \left (9+4 x^2\right )^{3/2}-\frac {9}{160} \left (9+4 x^2\right )^{5/2}+\frac {1}{448} \left (9+4 x^2\right )^{7/2}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 27, normalized size = 0.59 \begin {gather*} \frac {1}{280} \left (9+4 x^2\right )^{3/2} \left (27-18 x^2+10 x^4\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.06, size = 41, normalized size = 0.89
method | result | size |
gosper | \(\frac {\left (4 x^{2}+9\right )^{\frac {3}{2}} \left (10 x^{4}-18 x^{2}+27\right )}{280}\) | \(24\) |
trager | \(\left (\frac {1}{7} x^{6}+\frac {9}{140} x^{4}-\frac {27}{140} x^{2}+\frac {243}{280}\right ) \sqrt {4 x^{2}+9}\) | \(28\) |
risch | \(\frac {\left (40 x^{6}+18 x^{4}-54 x^{2}+243\right ) \sqrt {4 x^{2}+9}}{280}\) | \(29\) |
meijerg | \(-\frac {2187 \left (\frac {32 \sqrt {\pi }}{105}-\frac {4 \sqrt {\pi }\, \left (1+\frac {4 x^{2}}{9}\right )^{\frac {3}{2}} \left (\frac {80}{27} x^{4}-\frac {16}{3} x^{2}+8\right )}{105}\right )}{256 \sqrt {\pi }}\) | \(38\) |
default | \(\frac {x^{4} \left (4 x^{2}+9\right )^{\frac {3}{2}}}{28}-\frac {9 x^{2} \left (4 x^{2}+9\right )^{\frac {3}{2}}}{140}+\frac {27 \left (4 x^{2}+9\right )^{\frac {3}{2}}}{280}\) | \(41\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 40, normalized size = 0.87 \begin {gather*} \frac {1}{28} \, {\left (4 \, x^{2} + 9\right )}^{\frac {3}{2}} x^{4} - \frac {9}{140} \, {\left (4 \, x^{2} + 9\right )}^{\frac {3}{2}} x^{2} + \frac {27}{280} \, {\left (4 \, x^{2} + 9\right )}^{\frac {3}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.18, size = 28, normalized size = 0.61 \begin {gather*} \frac {1}{280} \, {\left (40 \, x^{6} + 18 \, x^{4} - 54 \, x^{2} + 243\right )} \sqrt {4 \, x^{2} + 9} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.33, size = 61, normalized size = 1.33 \begin {gather*} \frac {x^{6} \sqrt {4 x^{2} + 9}}{7} + \frac {9 x^{4} \sqrt {4 x^{2} + 9}}{140} - \frac {27 x^{2} \sqrt {4 x^{2} + 9}}{140} + \frac {243 \sqrt {4 x^{2} + 9}}{280} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.61, size = 34, normalized size = 0.74 \begin {gather*} \frac {1}{448} \, {\left (4 \, x^{2} + 9\right )}^{\frac {7}{2}} - \frac {9}{160} \, {\left (4 \, x^{2} + 9\right )}^{\frac {5}{2}} + \frac {27}{64} \, {\left (4 \, x^{2} + 9\right )}^{\frac {3}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 4.55, size = 25, normalized size = 0.54 \begin {gather*} \sqrt {x^2+\frac {9}{4}}\,\left (\frac {2\,x^6}{7}+\frac {9\,x^4}{70}-\frac {27\,x^2}{70}+\frac {243}{140}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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