If `veca, vecb, vec c` are three mutually perpendicular vectors and `|veca|=
Channel: Doubtnut
Date: 2020-05-09

If `veca, vecb, vec c` are three mutually perpendicular vectors and `|veca|=|vecb|=|vec c|=m`,  then the value of `|veca+vecb+vec c|` is -