Optimal. Leaf size=21 \[ x+4 \sqrt {x}+4 \log \left (1-\sqrt {x}\right ) \]
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Rubi [A] time = 0.01, antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {376, 77} \[ x+4 \sqrt {x}+4 \log \left (1-\sqrt {x}\right ) \]
Antiderivative was successfully verified.
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Rule 77
Rule 376
Rubi steps
\begin {align*} \int \frac {1+\sqrt {x}}{-1+\sqrt {x}} \, dx &=2 \operatorname {Subst}\left (\int \frac {x (1+x)}{-1+x} \, dx,x,\sqrt {x}\right )\\ &=2 \operatorname {Subst}\left (\int \left (2+\frac {2}{-1+x}+x\right ) \, dx,x,\sqrt {x}\right )\\ &=4 \sqrt {x}+x+4 \log \left (1-\sqrt {x}\right )\\ \end {align*}
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Mathematica [A] time = 0.01, size = 20, normalized size = 0.95 \[ x+4 \left (\sqrt {x}+\log \left (1-\sqrt {x}\right )\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.41, size = 15, normalized size = 0.71 \[ x + 4 \, \sqrt {x} + 4 \, \log \left (\sqrt {x} - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.31, size = 16, normalized size = 0.76 \[ x + 4 \, \sqrt {x} + 4 \, \log \left ({\left | \sqrt {x} - 1 \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 16, normalized size = 0.76 \[ x +4 \ln \left (\sqrt {x}-1\right )+4 \sqrt {x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.88, size = 15, normalized size = 0.71 \[ x + 4 \, \sqrt {x} + 4 \, \log \left (\sqrt {x} - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 3.01, size = 15, normalized size = 0.71 \[ x+4\,\ln \left (\sqrt {x}-1\right )+4\,\sqrt {x} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.15, size = 17, normalized size = 0.81 \[ 4 \sqrt {x} + x + 4 \log {\left (\sqrt {x} - 1 \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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