A vector →c of magnitude 5√6 directed along the bisector of the angle between →a=7ˆi−4ˆj−4ˆk and →b=−2ˆi−ˆj+2ˆk, is
The vector c directed along the internal bisector of the angle between the vectors a = 7i - 4j - 4k and b = -2i - j + 2k with |c| = 5√6 ?