If ` vec a\ ` is a unit vector, then find `| vec x|` in each of the following: `( vec x- vec a)dot( vec x+ vec a)=12`

If vec a is a unit vector,then find |vec x| in each of the following: (vec x-vec a)vec x+vec a=8

Find |vec x|, if for a unit vector vec a,quad (vec x-vec a)*(vec x+vec a)=15

Find |vec x|, if for a unit vector vec a,(vec x-vec a)*(vec x+vec a)=15

If vec a is a unit vector such that vec a xxhat i=hat j then find vec a

If vec a , vec b are two vectors, then write the truth value of the following statements: vec a=- vec b| vec a|=| vec b| | vec a|=| vec b| vec a=+- vec b | vec a|=| vec b| vec a= vec b

Find if for a unit vector vec a,(vec x-vec a)*(vec x+vec a)=12

If vec a is a unit vector and (vec x-vec a)*(vec x+vec a)=8, then find |vec x|

if vec a is a unit vector and projection of vec x along vec a is 2 units and (vec a xxvec x)+vec b=vec x then vec x is given by

If vec a is a unit vector and (vec x-vec a)*(vec x+vec a)=24, then write the value of |vec x|

If vec p is a unit vector and (vec x-vec p)*(vec x+vec p)=80, then find |vec x|