Question

The unit vector in the direction of the vector from P 1(1,0,1) to P2 (3,2,0) is

• A. i+j+k
• B. 2i +2j-k
• C. (2/3)i 1 (2/3)j - k
• D. (2/3)i + (2/3)j - k/3

Answer 1

Answer:

D. (2/3)i + (2/3)j - k/3