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Let v=2 vec i+vec j-vec k, w=vec i+ 3 ve...

Let `v=2 vec i+vec j-vec k`, `w=vec i+ 3 vec k and vec u` is a unit vector then the maximum value of scalar triple product.

A

`-1'

B

`sqrt 10 + sqrt 6`

C

`sqrt 59`

D

`sqrt 60`

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