If a is a non-zero vector of magnitude'a' and `lambda` a non-zero scalar, then `lambda oversetrarra` is a unit vector if: a)`lambda = 1` b)`lambda = -1` c)`a=|lambda|` d)`a =1/(|lambda|)`

Options

A. `lambda = 1`
B. `lambda = -1`
C. `a=|lambda|`
D. `a =1/(|lambda|)`

Answer

D