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Find the area of the triangle whose vert...

Find the area of the triangle whose vertices are `A(3, -1,2) ,B(1, - 1, 3)` and `C(4, - 3 , 1)`

A

`(sqrt165)/(2)`

B

`(sqrt135)/(2)`

C

4

D

2

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The correct Answer is:
A
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