The projection of `hat i + 3 hatj+hatk` on `2hat i-3hatj+6hatk` is :

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

Find the scalar projection of : veca=7hati+3hatj+6hatk on vecb=5hati-2hatj+3hatk .

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

Find the projection of : (i) hati-hatj on Z-axis (ii) hati+2hatj-2hatk on 2hati-hatj+5hatk (iii) 3hati+hatj-hatk on 4hati-hatj+2hatk

Show that the points A, B, C with position vectors 2hati – hatj + hatk, hati – 3 hatj – 5 hatk and 3 hat i – 4 hat j – 4 hatk respectively, are the vertices of a right-angled triangle. Hence find the area of the triangle.

The vectors -2 hat i+hat j +2 hatk , hat i+ λ hat j- hatk , 2hat i- hat j+ λ hatk , are coplanar if λ =.........

The projection of the vector vecA = hat - 2hatj + hatk on the vector vecB = 4hati - 4hatj + 7hatk is