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The ascending order of magnitudes of the...

The ascending order of magnitudes of the vectors
`{:((A),(i-2j)/(2),(B),(2i + j + k)/(sqrt(6))),((C),2i - j + 2k,(D),3i - 4j + 6k):}`

A

`A lt B lt C lt D`

B

`B lt A lt C lt D`

C

`A lt D lt C lt D`

D

`A lt C lt B lt D`

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The correct Answer is:
B
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