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Vertices of a triangle are given by hat(...

Vertices of a triangle are given by `hat(i)+3hat(j)+2hat(k), 2hat(i)-hat(j)+hat(k)` and `-hat(i)+2hat(j)+3hat(k)`, then area of triangle is (in units)

A

`(sqrt(107))/(2)`

B

`sqrt((107)/(6))`

C

`sqrt((107)/(2))`

D

`(sqrt(207))/(3)`

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The correct Answer is:
A
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