Optimal. Leaf size=11 \[ -2 \sqrt {1-x} \]
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Rubi [A]
time = 0.00, antiderivative size = 11, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {32}
\begin {gather*} -2 \sqrt {1-x} \end {gather*}
Antiderivative was successfully verified.
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Rule 32
Rubi steps
\begin {align*} \int \frac {1}{\sqrt {1-x}} \, dx &=-2 \sqrt {1-x}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 11, normalized size = 1.00 \begin {gather*} -2 \sqrt {1-x} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.55, size = 10, normalized size = 0.91
method | result | size |
gosper | \(-2 \sqrt {1-x}\) | \(10\) |
derivativedivides | \(-2 \sqrt {1-x}\) | \(10\) |
default | \(-2 \sqrt {1-x}\) | \(10\) |
trager | \(-2 \sqrt {1-x}\) | \(10\) |
risch | \(\frac {-2+2 x}{\sqrt {1-x}}\) | \(13\) |
meijerg | \(-\frac {-2 \sqrt {\pi }+2 \sqrt {\pi }\, \sqrt {1-x}}{\sqrt {\pi }}\) | \(24\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 9, normalized size = 0.82 \begin {gather*} -2 \, \sqrt {-x + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.33, size = 9, normalized size = 0.82 \begin {gather*} -2 \, \sqrt {-x + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.01, size = 8, normalized size = 0.73 \begin {gather*} - 2 \sqrt {1 - x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 3.25, size = 9, normalized size = 0.82 \begin {gather*} -2 \, \sqrt {-x + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.19, size = 9, normalized size = 0.82 \begin {gather*} -2\,\sqrt {1-x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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