The descending order of magnitudes of th...

The descending order of magnitudes of the vectors `A=(i-j)/sqrt(2), B=bar(i)+2bar(k), C=3bar(i)+bar(k), D=bar(i)+3bar(j)-bar(k)` is

A

`D gt C gt B gt A`

B

`A gt B gt C gt D`

C

`D lt B lt C lt A`

D

`D lt A lt C lt B`

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A

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