A vector parallel to the vector (hati+2h...

A vector parallel to the vector `(hati+2hatj)` and having magnitude `3sqrt(5)` units is

A

`3hati+6hatj`

B

`6hati-3hatj`

C

`4hati-2hatj`

D

`hati-2hatj`

Text Solution

Verified by Experts

The correct Answer is:

A

`veca.vecb=0,|vecb|=3sqrt(5)`

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