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If veca is a nonzero vector of mangitude...

If `veca` is a nonzero vector of mangitude 'a' and `lambda` a nonzero scalar , then `lambdaveca` is unit vector if

A

`lambda=1`

B

`lambda=-1`

C

`a=|lambda|`

D

`a=1//|lambda|`

Text Solution

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The correct Answer is:
D
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