Find the projection of the vecto `hati-hatj` on the vector `hati+hatj`

Find the projection of the vector hati-2hatj+hatk on the vector 4hati-4hatj+7hatk .

find the projection of the vector hati+3hatj+7hatk on the vector 7hati-hatj+8 hatk

Find the projection of the vector veca=3hati+2hatj-4hatk on the vector vecb=hati+2hatj+hatk .

The projection of the vector hati+hatj+hatk along the vector of hatj is

If the magnitude of the projection of the vector hati-hatj+2hatk on the vector perpendicular to the plane containing the vectors 2hati0hatj+3hatk and hati-hatj-2hatk is k, then the value of (1)/(k^(2)) is equal to

Find the projection of hati+3hatj+7hatk on the vector 2hati-3hatj+6hatk