Sometimes we are just concerned with finding integral solutions to equations. Consider the equation
Channel: Doubtnut
Date: 2020-03-29

Sometimes we are just concerned with finding integral solutions to equations. Consider the equation `tan^(-1).(1)/m+tan^(-1).(1)/n=tan^(-1).(1)/lambda`, where `m,n, lambda in N` How many positive integral solutions (m,n) exist for the eqution if `lambda=3`?