If `hati, hatj and hatk` are three mutually perpendicular vectors, then find the value of `hatj. (hatkxx hati).`

If (hati,hatj,hatk) are the usual three perpendicular unit vectors, then the value of : hati*(hatjxxhatk)+hatj*(hatixxhatk)+hatk*(hatixxhatj) is :

If hati,hatj,hatk are the unit vectors and mutually perpendicular, then [hati hatk hatj] is equal to

If hati,hatj,hatk are the unit vectors and mutually perpendicular, then [hati hatk hatj] is equal to

If the vectors 2hati+2hatj-hatk " and " 3hati-6hatj+nhatk are mutually perpendicular, find the value of n?

If the vectors 2 hati +2 hatj - hatk and 3 hati - 6hatj +nhatk are mutually perpendicular, find the value of n ?

If the vectors 2 hati +2 hatj - hatk and 3 hati - 6hatj +nhatk are mutually perpendicular, find the value of n ?

A vector perpendicular to both of the vectors hati+hatj+hatk and hati+hatj is

If the vectors vecP = a hati + a hatj + 3 hatk and vecQ = a hati - 2 hatj - hatk are perpendicular to each other . Find the value of a ?

If a vector (2hati+3hatj+ 8hatk) is perpendicular to the vector (4hatj-4hati+alpha hatk) , then find the value of alpha is