If ` vec a\ a n d\ vec b` are mutually perpendicular unit vectors, write the value of `| vec a+ vec b|dot`

If vec a\ a n d\ vec b\ a n d\ vec c are mutually perpendicular unit vectors, write the value of | vec a+ vec b+ vec c|dot

If vec a and vec b are mutually perpendicular unit vectors,write the value of |vec a+vec b+vec c|

If vec a and vec b and vec c are mutually perpendicular unit vectors,write the value of |vec a+vec b+vec c|

If vec a , vec b , vec c are mutually perpendicular unit vectors , then find the value of |quad 2 vec a+ vec b+ vec c| .

If vec a and vec b are mutually perpendicular unit vectors, then (3 vec a + 2 vec b ). (5 vec a - 6 vec b )=

If vec a , vec b , vec c are mutually perpendicular unit vectors, find |2 vec a+ vec b+ vec c|dot

If vec a , vec b , vec c are mutually perpendicular unit vectors, find |2 vec a+ vec b+ vec c|dot

If vec a, vec b, vec c are mutually perpendicular unit vectors then |vec a + vec b + vec c| =

If vec A, vec B and vec C are mutually perpendicular vectors, then find the value of vec A. vec (B + vec C) .

If vec a ,\ vec b ,\ vec c are three mutually perpendicular unit vectors, then prove that | vec a+ vec b+ vec c|=sqrt(3)