Optimal. Leaf size=35 \[ -\frac {1}{2} \sqrt {x} \sqrt {1+x}+\frac {1}{2} \sinh ^{-1}\left (\sqrt {x}\right )+x \sinh ^{-1}\left (\sqrt {x}\right ) \]
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Rubi [A]
time = 0.01, antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.000, Rules used = {5874, 12, 1978,
52, 56, 221} \begin {gather*} -\frac {1}{2} \sqrt {x} \sqrt {x+1}+x \sinh ^{-1}\left (\sqrt {x}\right )+\frac {1}{2} \sinh ^{-1}\left (\sqrt {x}\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 52
Rule 56
Rule 221
Rule 1978
Rule 5874
Rubi steps
\begin {align*} \int \sinh ^{-1}\left (\sqrt {x}\right ) \, dx &=x \sinh ^{-1}\left (\sqrt {x}\right )-\int \frac {1}{2} \sqrt {\frac {x}{1+x}} \, dx\\ &=x \sinh ^{-1}\left (\sqrt {x}\right )-\frac {1}{2} \int \sqrt {\frac {x}{1+x}} \, dx\\ &=x \sinh ^{-1}\left (\sqrt {x}\right )-\frac {1}{2} \int \frac {\sqrt {x}}{\sqrt {1+x}} \, dx\\ &=-\frac {1}{2} \sqrt {x} \sqrt {1+x}+x \sinh ^{-1}\left (\sqrt {x}\right )+\frac {1}{4} \int \frac {1}{\sqrt {x} \sqrt {1+x}} \, dx\\ &=-\frac {1}{2} \sqrt {x} \sqrt {1+x}+x \sinh ^{-1}\left (\sqrt {x}\right )+\frac {1}{2} \text {Subst}\left (\int \frac {1}{\sqrt {1+x^2}} \, dx,x,\sqrt {x}\right )\\ &=-\frac {1}{2} \sqrt {x} \sqrt {1+x}+\frac {1}{2} \sinh ^{-1}\left (\sqrt {x}\right )+x \sinh ^{-1}\left (\sqrt {x}\right )\\ \end {align*}
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Mathematica [A]
time = 0.06, size = 42, normalized size = 1.20 \begin {gather*} \frac {1}{2} \left (-\sqrt {\frac {x}{1+x}} (1+x)+2 x \sinh ^{-1}\left (\sqrt {x}\right )+\tanh ^{-1}\left (\sqrt {\frac {x}{1+x}}\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.28, size = 24, normalized size = 0.69
method | result | size |
derivativedivides | \(\frac {\arcsinh \left (\sqrt {x}\right )}{2}+x \arcsinh \left (\sqrt {x}\right )-\frac {\sqrt {x}\, \sqrt {1+x}}{2}\) | \(24\) |
default | \(\frac {\arcsinh \left (\sqrt {x}\right )}{2}+x \arcsinh \left (\sqrt {x}\right )-\frac {\sqrt {x}\, \sqrt {1+x}}{2}\) | \(24\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.47, size = 23, normalized size = 0.66 \begin {gather*} x \operatorname {arsinh}\left (\sqrt {x}\right ) - \frac {1}{2} \, \sqrt {x + 1} \sqrt {x} + \frac {1}{2} \, \operatorname {arsinh}\left (\sqrt {x}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.42, size = 28, normalized size = 0.80 \begin {gather*} \frac {1}{2} \, {\left (2 \, x + 1\right )} \log \left (\sqrt {x + 1} + \sqrt {x}\right ) - \frac {1}{2} \, \sqrt {x + 1} \sqrt {x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.10, size = 29, normalized size = 0.83 \begin {gather*} - \frac {\sqrt {x} \sqrt {x + 1}}{2} + x \operatorname {asinh}{\left (\sqrt {x} \right )} + \frac {\operatorname {asinh}{\left (\sqrt {x} \right )}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.39, size = 40, normalized size = 1.14 \begin {gather*} x \log \left (\sqrt {x + 1} + \sqrt {x}\right ) - \frac {1}{2} \, \sqrt {x^{2} + x} - \frac {1}{4} \, \log \left ({\left | -2 \, x + 2 \, \sqrt {x^{2} + x} - 1 \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.92, size = 31, normalized size = 0.89 \begin {gather*} \mathrm {atanh}\left (\frac {\sqrt {x}}{\sqrt {x+1}-1}\right )+x\,\mathrm {asinh}\left (\sqrt {x}\right )-\frac {\sqrt {x}\,\sqrt {x+1}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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