If unit vectors `hati and hatj` are at right angles to each other and `p=3hati+4hatj,q=5hati,4r=p+q and 2s=p-q`, then

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-2hatk and vecb = 3hati +2hatj+xhatk are at the right angles to each other, then the value of r should be

A unit vector perpendicular to both the vectors 2hati-2hatj+hatk and 3hati+4hatj-5hatk , is

Find a unit vector vecc if -hati+hatj-hatk bisects the angle between vectors vecc and 3hati+4hatj .

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

Find the value of p, if the vectors hati - 2hatj + hatk , 2hati - 5hatj + phatk and 5hati - 9hatj + 4hatk are coplanar .

The unit vector parallel to the resultant vector of 2hati+4hatj-5hatk and hati+2hatj+3hatk is

Calculate the components of a vector of magnitude unity which is at right angles to the vectors 2hati+hatj-4hatk and 3hati+hatj-hatk .