$e^{\log (\cos h^{-1}2)}$ is equal to :

Question

\[\begin {array} {1 1} (a)\;\log (2 - \sqrt 3) & \quad (b)\;\log (\sqrt 3 -2) \\ (c)\;\log (2 +\sqrt 3) & \quad (d)\;\log (2+\sqrt 5) \end {array}\]