Question 40
Multiple Choice
Calculate the direction of P1P2 and the midpoint of line segment P1P2.
- P1(−2,8,−1) and P2(0,2,2)
A) 72i+78j+71k;(−1,4,−21)
B) 72i−76j+73k;(0,1,1)
C) 72i−76j+73k;(−1,5,21)
D) 72i−76j+73k;(−1,5,21)
Correct Answer:

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