If the vectors `A=2hati+4hatj` and `B=5hati-phatj` are parallel to each other , then magnitude of B is

If the vectors vecA=2hati+4hatj and vecB=5hati-phatj are parallel to each other, the magnitude of vecB is

If the vectors vecA=2hati+4hatj and vecB=5hati-phatj are parallel to each other, the magnitude of vecB is

Show that vectors vecA= hati - 5hatj and vecB= 2hati-10 hatj are parallel to each other.

If two vectors 2hati+3hatj-hatk and -4hati-6hatj-lamdahatk are parallel to each other then value of lamda be

If two vectors 2hati+3hatj-hatk and -4hati-6hatj-lamdahatk are parallel to each other then value of lamda be

For what values of a and b , will the vectors 2hati-3hatj-hatk and ahati+bhatj-2hatk be parallel to each other ?

Show that the vector vecA = -6hati + 9hatj - 12 hatk and vec = 2 hati - 3hatj + 4hatk are parallel to each other.

Prove that the vectors vec(A) = hati +2 hatj +3hatk and vec(B) = 2hati - hatj are perpendicular to each other.