1.

If the point (2, α, β) lies on the plane which passes through the points (3, 4, 2) and (7, 0, 6) and is perpendicular to the plane 2x - 5y = 15, then 2α - 3β is equal to:

A. 12
B. 7
C. 5
D. 17
Answer» C. 5


Discussion

No Comment Found