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What is the area of DeltaABC if vec(AB...

What is the area of `DeltaABC ` if `vec(AB) = bari+2barj+3bark and vec(AC) = - 3bari+2barj+bark` in `DeltaABC` ?

A

`3sqrt5`

B

`3//2sqrt5`

C

45

D

`5//sqrt3`

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