Optimal. Leaf size=19 \[ 2 \sqrt {3} \tanh ^{-1}\left (\frac {\tanh (x)}{\sqrt {\text {sech}(x)+1}}\right ) \]
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Rubi [A] time = 0.02, antiderivative size = 19, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3774, 203} \[ 2 \sqrt {3} \tanh ^{-1}\left (\frac {\tanh (x)}{\sqrt {\text {sech}(x)+1}}\right ) \]
Antiderivative was successfully verified.
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Rule 203
Rule 3774
Rubi steps
\begin {align*} \int \sqrt {3+3 \text {sech}(x)} \, dx &=6 i \operatorname {Subst}\left (\int \frac {1}{3+x^2} \, dx,x,-\frac {3 i \tanh (x)}{\sqrt {3+3 \text {sech}(x)}}\right )\\ &=2 \sqrt {3} \tanh ^{-1}\left (\frac {\tanh (x)}{\sqrt {1+\text {sech}(x)}}\right )\\ \end {align*}
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Mathematica [B] time = 0.04, size = 39, normalized size = 2.05 \[ \sqrt {6} \sinh ^{-1}\left (\sqrt {2} \sinh \left (\frac {x}{2}\right )\right ) \sqrt {\cosh (x)} \text {sech}\left (\frac {x}{2}\right ) \sqrt {\text {sech}(x)+1} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.38, size = 233, normalized size = 12.26 \[ \frac {1}{2} \, \sqrt {3} \log \left (-\frac {\cosh \relax (x)^{4} + {\left (4 \, \cosh \relax (x) - 3\right )} \sinh \relax (x)^{3} + \sinh \relax (x)^{4} - 3 \, \cosh \relax (x)^{3} + {\left (6 \, \cosh \relax (x)^{2} - 9 \, \cosh \relax (x) + 5\right )} \sinh \relax (x)^{2} + \sqrt {2} {\left (\cosh \relax (x)^{3} + 3 \, {\left (\cosh \relax (x) - 1\right )} \sinh \relax (x)^{2} + \sinh \relax (x)^{3} - 3 \, \cosh \relax (x)^{2} + {\left (3 \, \cosh \relax (x)^{2} - 6 \, \cosh \relax (x) + 4\right )} \sinh \relax (x) + 4 \, \cosh \relax (x) - 4\right )} \sqrt {\frac {\cosh \relax (x)}{\cosh \relax (x) - \sinh \relax (x)}} + 5 \, \cosh \relax (x)^{2} + {\left (4 \, \cosh \relax (x)^{3} - 9 \, \cosh \relax (x)^{2} + 10 \, \cosh \relax (x) - 4\right )} \sinh \relax (x) - 4 \, \cosh \relax (x) + 4}{\cosh \relax (x)^{3} + 3 \, \cosh \relax (x)^{2} \sinh \relax (x) + 3 \, \cosh \relax (x) \sinh \relax (x)^{2} + \sinh \relax (x)^{3}}\right ) + \frac {1}{2} \, \sqrt {3} \log \left (\frac {\sqrt {2} \sqrt {\frac {\cosh \relax (x)}{\cosh \relax (x) - \sinh \relax (x)}} {\left (\cosh \relax (x) + \sinh \relax (x) + 1\right )} + \cosh \relax (x)^{2} + {\left (2 \, \cosh \relax (x) + 1\right )} \sinh \relax (x) + \sinh \relax (x)^{2} + \cosh \relax (x) + 1}{\cosh \relax (x) + \sinh \relax (x)}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.14, size = 52, normalized size = 2.74 \[ -\sqrt {3} {\left (\log \left (\sqrt {e^{\left (2 \, x\right )} + 1} - e^{x} + 1\right ) + \log \left (\sqrt {e^{\left (2 \, x\right )} + 1} - e^{x}\right ) - \log \left (-\sqrt {e^{\left (2 \, x\right )} + 1} + e^{x} + 1\right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.33, size = 0, normalized size = 0.00 \[ \int \sqrt {3+3 \,\mathrm {sech}\relax (x )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \sqrt {3 \, \operatorname {sech}\relax (x) + 3}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.05 \[ \int \sqrt {\frac {3}{\mathrm {cosh}\relax (x)}+3} \,d x \]
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 \[ \sqrt {3} \int \sqrt {\operatorname {sech}{\relax (x )} + 1}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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