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Area of a rectangle having vertices 'A, B, C' and 'D' with position vectors '-hati+1/2 hatj+4 hatk', 'hati+1/2 hatj+4 hatk, hati-1/2 hatj+4 hatk' and '-hati-1/2 hatj+4 hatk' respectively is

A

1/2'

B

1

C

2

D

4

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The correct Answer is:
C
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