Math, asked by sihhsjjs6568, 1 year ago

The number of vectors of unit length perpendicular to the vectors →a=2ˆi+ˆj+2ˆk and →b=ˆj+ˆk is; (A)one(B)two(C)three(D)infinite

Answers

Answered by Anonymous
2
(B)Two

Unit vector perpendicular to a and b is +- (a x b)/ |a x b|
There are two vectors that are in opposite direction
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