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ABCD is a parallelogram whose adjacent s...

ABCD is a parallelogram whose adjacent sides are represented by the vectors `vec(a)` and `vec(b)`. Three of its vertices are A(1,2,3),B(2,0,5) and D(-1,4,1).

Area of ABCD = _______sq. units.

A

8

B

4

C

`2sqrt(2)`

D

16

Text Solution

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The correct Answer is:
C
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