1.

The vector perpendicular to the plane passing through (1, -1, 0) (2, 1, -2) and (-1, 1, 2) is

A. 6ĵ + 6k̂
B. 6î + 7k̂
C. 7î + 6k̂
D. 7î + 8k̂
Answer» B. 6î + 7k̂


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