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The magnitude of the vector hati+xhatj+3...

The magnitude of the vector `hati+xhatj+3hatk` is half of the magnitude of vector `hati+xhatj+3hatk` The values of x are

A

`-2//3`

B

`1//3`

C

`2//3`

D

2

Text Solution

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The correct Answer is:
A, D
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