Find the unit vector in the direction of the sum of the vectors `veca=2hati+2hatj-5hatk and vecb=2hati+hatj+3hatk`.

Find the unit vector in the direction of sum of vectors veca=hat2i-hatj+hatk and vecb=2hatj+hatk.

Find the unit vector in the direction of the vector veca=hati+hatj+2hatk .

Find the unit vector in the direction of the difference of vector (veca-vecb),veca=4hati+5hatj+6hatk and vecb=2hati+3hatj+4hatk .

Find the unit vector in the direction of the resultant of vectors hati-hatj+hat3k, 2hati+hatj-2hatk and 2hatj-2hatk

(i) Find the unit vector in the direction of veca+vecb if veca=2hati-hatj+2hatk , and vecb=-hati+hatj-hatk (ii) Find the direction ratios and direction cosines of the vector veca=5hati+3hatj-4hatk .

Find a unit vector in the direction of the resultant of the vectors (hati+2hatj+3hatk),(-hati+2hatj+hatk) and (3hati+hatj) .

Find the sine of the angle between the vectors veca=2hati-hatj+3hatk and vecb=hati+3hatj+2hatk .

Find the scalar product of vectors veca=2hati-hatj+2hatk and vecb=hati-3hatj-5hatk

A unit vector in the direction of resultant vector of vecA = -2hati + 3hatj + hatk and vecB = hati + 2 hatj - 4 hatk is

Find as unit vector paralel to the sum of the vectors 2hati+3hatj-5hatk and hati+2hatj+3hatk