Optimal. Leaf size=33 \[ \frac {x}{3 \left (1+2 x^2\right )^{3/2}}+\frac {2 x}{3 \sqrt {1+2 x^2}} \]
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Rubi [A]
time = 0.00, antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {198, 197}
\begin {gather*} \frac {2 x}{3 \sqrt {2 x^2+1}}+\frac {x}{3 \left (2 x^2+1\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 197
Rule 198
Rubi steps
\begin {align*} \int \frac {1}{\left (1+2 x^2\right )^{5/2}} \, dx &=\frac {x}{3 \left (1+2 x^2\right )^{3/2}}+\frac {2}{3} \int \frac {1}{\left (1+2 x^2\right )^{3/2}} \, dx\\ &=\frac {x}{3 \left (1+2 x^2\right )^{3/2}}+\frac {2 x}{3 \sqrt {1+2 x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 24, normalized size = 0.73 \begin {gather*} \frac {3 x+4 x^3}{3 \left (1+2 x^2\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.07, size = 26, normalized size = 0.79
method | result | size |
gosper | \(\frac {x \left (4 x^{2}+3\right )}{3 \left (2 x^{2}+1\right )^{\frac {3}{2}}}\) | \(20\) |
trager | \(\frac {x \left (4 x^{2}+3\right )}{3 \left (2 x^{2}+1\right )^{\frac {3}{2}}}\) | \(20\) |
meijerg | \(\frac {x \left (4 x^{2}+3\right )}{3 \left (2 x^{2}+1\right )^{\frac {3}{2}}}\) | \(20\) |
risch | \(\frac {x \left (4 x^{2}+3\right )}{3 \left (2 x^{2}+1\right )^{\frac {3}{2}}}\) | \(20\) |
default | \(\frac {x}{3 \left (2 x^{2}+1\right )^{\frac {3}{2}}}+\frac {2 x}{3 \sqrt {2 x^{2}+1}}\) | \(26\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 2.53, size = 25, normalized size = 0.76 \begin {gather*} \frac {2 \, x}{3 \, \sqrt {2 \, x^{2} + 1}} + \frac {x}{3 \, {\left (2 \, x^{2} + 1\right )}^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.01, size = 34, normalized size = 1.03 \begin {gather*} \frac {{\left (4 \, x^{3} + 3 \, x\right )} \sqrt {2 \, x^{2} + 1}}{3 \, {\left (4 \, x^{4} + 4 \, x^{2} + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 61 vs.
\(2 (27) = 54\).
time = 0.88, size = 61, normalized size = 1.85 \begin {gather*} \frac {4 x^{3}}{6 x^{2} \sqrt {2 x^{2} + 1} + 3 \sqrt {2 x^{2} + 1}} + \frac {3 x}{6 x^{2} \sqrt {2 x^{2} + 1} + 3 \sqrt {2 x^{2} + 1}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.27, size = 19, normalized size = 0.58 \begin {gather*} \frac {{\left (4 \, x^{2} + 3\right )} x}{3 \, {\left (2 \, x^{2} + 1\right )}^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 99, normalized size = 3.00 \begin {gather*} \frac {\sqrt {x^2+\frac {1}{2}}\,1{}\mathrm {i}}{24\,\left (-x^2+1{}\mathrm {i}\,\sqrt {2}\,x+\frac {1}{2}\right )}+\frac {\sqrt {x^2+\frac {1}{2}}\,1{}\mathrm {i}}{24\,\left (x^2+1{}\mathrm {i}\,\sqrt {2}\,x-\frac {1}{2}\right )}+\frac {\sqrt {2}\,\sqrt {x^2+\frac {1}{2}}}{6\,\left (x-\frac {\sqrt {2}\,1{}\mathrm {i}}{2}\right )}+\frac {\sqrt {2}\,\sqrt {x^2+\frac {1}{2}}}{6\,\left (x+\frac {\sqrt {2}\,1{}\mathrm {i}}{2}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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