Optimal. Leaf size=25 \[ 2 \sqrt {x} \cos ^{-1}\left (\sqrt {x}\right )-2 \sqrt {1-x} \]
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Rubi [A] time = 0.02, antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {6715, 4620, 261} \[ 2 \sqrt {x} \cos ^{-1}\left (\sqrt {x}\right )-2 \sqrt {1-x} \]
Antiderivative was successfully verified.
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Rule 261
Rule 4620
Rule 6715
Rubi steps
\begin {align*} \int \frac {\cos ^{-1}\left (\sqrt {x}\right )}{\sqrt {x}} \, dx &=2 \operatorname {Subst}\left (\int \cos ^{-1}(x) \, dx,x,\sqrt {x}\right )\\ &=2 \sqrt {x} \cos ^{-1}\left (\sqrt {x}\right )+2 \operatorname {Subst}\left (\int \frac {x}{\sqrt {1-x^2}} \, dx,x,\sqrt {x}\right )\\ &=-2 \sqrt {1-x}+2 \sqrt {x} \cos ^{-1}\left (\sqrt {x}\right )\\ \end {align*}
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Mathematica [A] time = 0.01, size = 25, normalized size = 1.00 \[ 2 \sqrt {x} \cos ^{-1}\left (\sqrt {x}\right )-2 \sqrt {1-x} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.42, size = 19, normalized size = 0.76 \[ 2 \, \sqrt {x} \arccos \left (\sqrt {x}\right ) - 2 \, \sqrt {-x + 1} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.68, size = 19, normalized size = 0.76 \[ 2 \, \sqrt {x} \arccos \left (\sqrt {x}\right ) - 2 \, \sqrt {-x + 1} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 20, normalized size = 0.80 \[ -2 \sqrt {1-x}+2 \arccos \left (\sqrt {x}\right ) \sqrt {x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.40, size = 19, normalized size = 0.76 \[ 2 \, \sqrt {x} \arccos \left (\sqrt {x}\right ) - 2 \, \sqrt {-x + 1} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.40, size = 19, normalized size = 0.76 \[ 2\,\sqrt {x}\,\mathrm {acos}\left (\sqrt {x}\right )-2\,\sqrt {1-x} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.28, size = 20, normalized size = 0.80 \[ 2 \sqrt {x} \operatorname {acos}{\left (\sqrt {x} \right )} - 2 \sqrt {1 - x} \]
Verification of antiderivative is not currently implemented for this CAS.
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