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Prove that the points A(-5 , 1 , 1) , B(...

Prove that the points A(-5 , 1 , 1) , B(1 , 3 , 4) , C ( - 1 , 6 , 10) and D (-7 , 4, 7) taken in order are the vertices of a rhombus .

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The correct Answer is:
i.e., ` overline(AC) ne overline(BD) ` i.e., diagonal `oveline(AC) ne ` diagonal `overline(BD)`
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