In DeltaABC,vec(AB)=3hati+4hatk and vec(...

In `DeltaABC,vec(AB)=3hati+4hatk` and `vec(AC)=5hati-2hatj+4hatk`. Length of the median drawn from A is ………………

A

`sqrt(18)`

B

`sqrt(72)`

C

`sqrt(33)`

D

`sqrt(45)`

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The correct Answer is:

C

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