Optimal. Leaf size=39 \[ \frac {x}{3 a \left (a+b x^2\right )^{3/2}}+\frac {2 x}{3 a^2 \sqrt {a+b x^2}} \]
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Rubi [A]
time = 0.00, antiderivative size = 39, 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 a^2 \sqrt {a+b x^2}}+\frac {x}{3 a \left (a+b x^2\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 (a+b x^2\right )^{5/2}} \, dx &=\frac {x}{3 a \left (a+b x^2\right )^{3/2}}+\frac {2 \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx}{3 a}\\ &=\frac {x}{3 a \left (a+b x^2\right )^{3/2}}+\frac {2 x}{3 a^2 \sqrt {a+b x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 29, normalized size = 0.74 \begin {gather*} \frac {3 a x+2 b x^3}{3 a^2 \left (a+b x^2\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.05, size = 32, normalized size = 0.82
method | result | size |
gosper | \(\frac {x \left (2 b \,x^{2}+3 a \right )}{3 \left (b \,x^{2}+a \right )^{\frac {3}{2}} a^{2}}\) | \(26\) |
trager | \(\frac {x \left (2 b \,x^{2}+3 a \right )}{3 \left (b \,x^{2}+a \right )^{\frac {3}{2}} a^{2}}\) | \(26\) |
default | \(\frac {x}{3 a \left (b \,x^{2}+a \right )^{\frac {3}{2}}}+\frac {2 x}{3 a^{2} \sqrt {b \,x^{2}+a}}\) | \(32\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 31, normalized size = 0.79 \begin {gather*} \frac {2 \, x}{3 \, \sqrt {b x^{2} + a} a^{2}} + \frac {x}{3 \, {\left (b x^{2} + a\right )}^{\frac {3}{2}} a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.62, size = 47, normalized size = 1.21 \begin {gather*} \frac {{\left (2 \, b x^{3} + 3 \, a x\right )} \sqrt {b x^{2} + a}}{3 \, {\left (a^{2} b^{2} x^{4} + 2 \, a^{3} b x^{2} + a^{4}\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. 95 vs.
\(2 (32) = 64\).
time = 0.44, size = 95, normalized size = 2.44 \begin {gather*} \frac {3 a x}{3 a^{\frac {7}{2}} \sqrt {1 + \frac {b x^{2}}{a}} + 3 a^{\frac {5}{2}} b x^{2} \sqrt {1 + \frac {b x^{2}}{a}}} + \frac {2 b x^{3}}{3 a^{\frac {7}{2}} \sqrt {1 + \frac {b x^{2}}{a}} + 3 a^{\frac {5}{2}} b x^{2} \sqrt {1 + \frac {b x^{2}}{a}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.63, size = 27, normalized size = 0.69 \begin {gather*} \frac {x {\left (\frac {2 \, b x^{2}}{a^{2}} + \frac {3}{a}\right )}}{3 \, {\left (b x^{2} + a\right )}^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 4.75, size = 28, normalized size = 0.72 \begin {gather*} \frac {2\,x\,\left (b\,x^2+a\right )+a\,x}{3\,a^2\,{\left (b\,x^2+a\right )}^{3/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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