Let barb = 2bari + barj - bark, barc = b...

Let `barb = 2bari + barj - bark, barc = bari + 3bark` . If `veca` is a unit vector then find the maximum value of `[bara,barb,barc]`

A

`-1`

B

`sqrt(10)+sqrt6`

C

`sqrt(59)`

D

`sqrt(60)`

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The correct Answer is:

C

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