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Find the area of the rectangle having ve...

Find the area of the rectangle having vertices A,B,C and D with position vectors.
`-hati+1/2hatj+4hatk,hati+1/2hatj+4hatk,hati-1/2hatj+4hatk and -hati-1/2hatj+4hatk` respectively.

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The correct Answer is:
Area of rectangle=2 sq. units
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SUNSTAR PUBLICATION-P.U .BOARD LATEST MODEL QUESTION PAPER - 2 -PART-C
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