Two vectors A and B lie in a plane, a third vector C lies outside this plane, the sum of these vectors A + B + C (a) can be zero
A. can never be zero
B. can be zero
C. Both
D. None of these
Answer:C
Two vectors A and B lie in a plane, a third vector C lies outside this plane, the sum of these vectors A + B + C (a) can be zero
A. can never be zero B. can be zero C. Both D. None of these