Find a unit vector in the direction of `vec(AB)` , where `A(1, 2, 3)` and `B( 2, 3, 5)` are the given points.

Find the unit vector in the direction of vector vec PQ ,P(1,2,3) and Q(5,6,7 )

Find a unit vector in the direction of vec(PQ) , where P and Q have coordinates (5, 0, 8) and (3, 3, 2) respectively.

Find a unit vector in the direction of vec(PQ) , where P and Q have coordinates (5, 0, 8) and (3, 3, 2) respectively.

Find a unit vector in the direction of vec(PQ) , where P and Q have coordinates (5, 0, 8) and (3, 3, 2), respectively.

Find the unit vector in the direction of vector vec(AB) where A and B are the points (6, 4,0) and (8, 0,4) respectively.

Find a unit vector in the direction of vec(PQ) . where P and Q have coordinates (5, 0, 8) and (3, 3, 2) respectively.

Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3)and (4, 5, 6) respectively.

Find the unit vector in the direction of vector overline(PQ) , where P and Q are the points P=(1,2,3).Q=(4,5,6) respectively.