Optimal. Leaf size=26 \[ -\sqrt {4 x-x^2}-4 \sin ^{-1}\left (1-\frac {x}{2}\right ) \]
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Rubi [A] time = 0.01, antiderivative size = 26, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {640, 619, 216} \[ -\sqrt {4 x-x^2}-4 \sin ^{-1}\left (1-\frac {x}{2}\right ) \]
Antiderivative was successfully verified.
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Rule 216
Rule 619
Rule 640
Rubi steps
\begin {align*} \int \frac {2+x}{\sqrt {4 x-x^2}} \, dx &=-\sqrt {4 x-x^2}+4 \int \frac {1}{\sqrt {4 x-x^2}} \, dx\\ &=-\sqrt {4 x-x^2}-\operatorname {Subst}\left (\int \frac {1}{\sqrt {1-\frac {x^2}{16}}} \, dx,x,4-2 x\right )\\ &=-\sqrt {4 x-x^2}-4 \sin ^{-1}\left (1-\frac {x}{2}\right )\\ \end {align*}
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Mathematica [A] time = 0.03, size = 27, normalized size = 1.04 \[ -\sqrt {-((x-4) x)}-8 \sin ^{-1}\left (\sqrt {1-\frac {x}{4}}\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.75, size = 32, normalized size = 1.23 \[ -\sqrt {-x^{2} + 4 \, x} - 8 \, \arctan \left (\frac {\sqrt {-x^{2} + 4 \, x}}{x}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.61, size = 22, normalized size = 0.85 \[ -\sqrt {-x^{2} + 4 \, x} + 4 \, \arcsin \left (\frac {1}{2} \, x - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 23, normalized size = 0.88 \[ 4 \arcsin \left (\frac {x}{2}-1\right )-\sqrt {-x^{2}+4 x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.93, size = 22, normalized size = 0.85 \[ -\sqrt {-x^{2} + 4 \, x} - 4 \, \arcsin \left (-\frac {1}{2} \, x + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 3.53, size = 22, normalized size = 0.85 \[ 4\,\mathrm {asin}\left (\frac {x}{2}-1\right )-\sqrt {4\,x-x^2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x + 2}{\sqrt {- x \left (x - 4\right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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