1.

The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is

A. (-j – k)/1.414
B. (-i – k)/1.414
C. (-i – j)/1.414
D. (-i – j – k)/1.414
Answer» B. (-i ‚Äö√Ñ√∂‚àö√ë‚àö¬® k)/1.414


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