The vertices of a triangle are `A(5,4,6),B(1,-1,3) and (4,3,2)`. The internal bisector of `/_BAC
Channel: Doubtnut
Date: 2020-04-12

The vertices of a triangle are `A(5,4,6),B(1,-1,3) and (4,3,2)`. The internal bisector of `/_BAC `meets BC in D. Find AD.