Question Number 169808 by Mastermind last updated on 09/May/22
$${If}\:{the}\:{Real}\:{component}\:{of}\:{an}\:{analytic} \\ $$$${function}\:{is}\:{given}\:{by}\:{log}_{{e}} \left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right)^{\frac{\mathrm{1}}{\mathrm{2}}} , \\ $$$${find}\:{the}\:{function}. \\ $$$$ \\ $$$${Mastermind} \\ $$