Find the direction ratios and direction cosines of the vectors
(ii) `veci +vecj+ veck`.

Find the direction ratios and direction cosines of the vectors (i) 4veci+2vecj-3veck ,

(i) Find the direction cosines of the vectors 10veci-3vecj-4veck .

Find the direction cosines of the vector veci+2vecj+3veck ।

Find the direction cosines and unit vector along the vector vecr=2veci+vecj+3veck .

Find the unit vector in the direction of the vector veca = veci+vecj+2veck

Find the projection of the vector veci + 3vecj + 7veck on the vector 7veci - vecj + 8veck

Find the unit vector in the direction of the vector veci-2vecj+3veck .

The direction ratios of a vector are , find its direction cosines.

Find the projection of the vector veca = 2veci + 3vecj + 2veck on the vector vecb = veci + 2vecj + veck

Find the set of vectors reciprocal to the set of vectors 2veci+3vecj-veck, veci-vecj-veck, -veci+2vecj+2veck