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If vec a is a non zero vector a magnitu...

If ` vec a` is a non zero vector a magnitude `' a^(prime)\ a n d\ lambda` is a non a zero scalar, then `lambda\ vec a` is a unit vector if `lambda=1` b. `lambda=-1` c. `a-|lambda|` d. `a=1/(|lambda|)`

A

`lamda=1`

B

`lamda =-1`

C

`a=|lamda|`

D

`a=(1)/(|lamda|)`

Text Solution

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The correct Answer is:
D
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