Optimal. Leaf size=41 \[ -\frac {1}{3} x^2 \sqrt {1-x^2}-\frac {1}{3} (5+3 x) \sqrt {1-x^2}+\sin ^{-1}(x) \]
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Rubi [A]
time = 0.03, antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {1823, 794, 222}
\begin {gather*} \text {ArcSin}(x)-\frac {1}{3} \sqrt {1-x^2} x^2-\frac {1}{3} (3 x+5) \sqrt {1-x^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 222
Rule 794
Rule 1823
Rubi steps
\begin {align*} \int \frac {x (1+x)^2}{\sqrt {1-x^2}} \, dx &=-\frac {1}{3} x^2 \sqrt {1-x^2}-\frac {1}{3} \int \frac {(-5-6 x) x}{\sqrt {1-x^2}} \, dx\\ &=-\frac {1}{3} x^2 \sqrt {1-x^2}-\frac {1}{3} (5+3 x) \sqrt {1-x^2}+\int \frac {1}{\sqrt {1-x^2}} \, dx\\ &=-\frac {1}{3} x^2 \sqrt {1-x^2}-\frac {1}{3} (5+3 x) \sqrt {1-x^2}+\sin ^{-1}(x)\\ \end {align*}
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Mathematica [A]
time = 0.09, size = 46, normalized size = 1.12 \begin {gather*} \frac {1}{3} \sqrt {1-x^2} \left (-5-3 x-x^2\right )+2 \tan ^{-1}\left (\frac {x}{-1+\sqrt {1-x^2}}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.06, size = 41, normalized size = 1.00
method | result | size |
risch | \(\frac {\left (x^{2}+3 x +5\right ) \left (x^{2}-1\right )}{3 \sqrt {-x^{2}+1}}+\arcsin \left (x \right )\) | \(28\) |
default | \(-\frac {x^{2} \sqrt {-x^{2}+1}}{3}-\frac {5 \sqrt {-x^{2}+1}}{3}-x \sqrt {-x^{2}+1}+\arcsin \left (x \right )\) | \(41\) |
trager | \(\left (-\frac {1}{3} x^{2}-x -\frac {5}{3}\right ) \sqrt {-x^{2}+1}+\RootOf \left (\textit {\_Z}^{2}+1\right ) \ln \left (\RootOf \left (\textit {\_Z}^{2}+1\right ) \sqrt {-x^{2}+1}+x \right )\) | \(48\) |
meijerg | \(-\frac {-2 \sqrt {\pi }+2 \sqrt {\pi }\, \sqrt {-x^{2}+1}}{2 \sqrt {\pi }}+\frac {i \left (i \sqrt {\pi }\, x \sqrt {-x^{2}+1}-i \sqrt {\pi }\, \arcsin \left (x \right )\right )}{\sqrt {\pi }}+\frac {\frac {4 \sqrt {\pi }}{3}-\frac {\sqrt {\pi }\, \left (4 x^{2}+8\right ) \sqrt {-x^{2}+1}}{6}}{2 \sqrt {\pi }}\) | \(90\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 40, normalized size = 0.98 \begin {gather*} -\frac {1}{3} \, \sqrt {-x^{2} + 1} x^{2} - \sqrt {-x^{2} + 1} x - \frac {5}{3} \, \sqrt {-x^{2} + 1} + \arcsin \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.86, size = 38, normalized size = 0.93 \begin {gather*} -\frac {1}{3} \, {\left (x^{2} + 3 \, x + 5\right )} \sqrt {-x^{2} + 1} - 2 \, \arctan \left (\frac {\sqrt {-x^{2} + 1} - 1}{x}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.11, size = 37, normalized size = 0.90 \begin {gather*} - \frac {x^{2} \sqrt {1 - x^{2}}}{3} - x \sqrt {1 - x^{2}} - \frac {5 \sqrt {1 - x^{2}}}{3} + \operatorname {asin}{\left (x \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.91, size = 21, normalized size = 0.51 \begin {gather*} -\frac {1}{3} \, {\left ({\left (x + 3\right )} x + 5\right )} \sqrt {-x^{2} + 1} + \arcsin \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 22, normalized size = 0.54 \begin {gather*} \mathrm {asin}\left (x\right )-\sqrt {1-x^2}\,\left (\frac {x^2}{3}+x+\frac {5}{3}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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