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Find the area of the triangle formed by ...

Find the area of the triangle formed by the tips of the vectors `vec(a) = hat(i) - hat(j) - 3hat(k), vec(b) = 4hat(i) - 3hat(j) + hat(k) and vec(c ) = 3hat(i) - hat(j) + 2hat(k)`

A

3.2 sq.units

B

6.4 sq.units

C

12.8 sq.units

D

1.4 sq.units

Text Solution

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The correct Answer is:
B
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