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If vec a = i-j+k and vec b = 2i+j-k then...

If `vec a = i-j+k` and `vec b = 2i+j-k` then `|2 vec a - vec b|=`

A

minus 1

B

`sqrt10 + sqrt6`

C

`sqrt 59`

D

`sqrt 60`

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The correct Answer is:
C
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