Question
Let $f(x) = \int {{{2x} \over {({x^2} + 1)({x^2} + 3)}}dx} $. If $f(3) = {1 \over 2}({\log _e}5 - {\log _e}6)$, then $f(4)$ is equal to
Let $f(x) = \int {{{2x} \over {({x^2} + 1)({x^2} + 3)}}dx} $. If $f(3) = {1 \over 2}({\log _e}5 - {\log _e}6)$, then $f(4)$ is equal to