Question

If $z_1$ and $z_2$ are z co-ordinates of the points of trisection of the segment joining the points $A(2, 1, 4), B _1 + z_2 =$

• A. 1
• B. 4
• C. 5
• D. 10

Answer 1

Answer: (D)

10

Answer 2

Answer (d) 10