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DLMF:5.4#Ex5 - MaRDI portal

DLMF:5.4#Ex5 (Q2581)

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DLMF:5.4#Ex5
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    ψ ( 1 2 ) = - γ - 2 ln 2 , digamma 1 2 2 2 {\displaystyle{\displaystyle\psi\left(\tfrac{1}{2}\right)=-\gamma-2\ln 2,}}
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