Integrate: $\int \large\frac{\Large e^{\tan ^{-1}(m)}}{1+m^2}$$.dm$

Question

\[\begin {array} {1 1} (a)\;\frac{e^{\tan ^{-1}(m)}}{1+m^2}+c \\ (b)\;e^{\tan ^{-1}(m)}+c \\ (c)\;e^{-\tan ^{-1}(m)} \\ (d)\;None \end {array}\]