The radius vector and linear momentum ar...

The radius vector and linear momentum are respectively given by vector `2hati+2hatj+hatk and 2hati-2hatj+hatk`. Their angular momentum is

A

`2hati-4hatj`

B

`4hati-8hatk`

C

`2hati-4hatj+2hatk`

D

`4hati-8hatj`

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The correct Answer is:

B

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