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Show that the pointsO (0 , 0, 0) ,P (a ,...

Show that the pointsO (0 , 0, 0) ,P (a , a, 0) Q ( a , 0 , a) and R (0 , a , a) from regular tetrahedron .

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The correct Answer is:
i.e., `overline(OP) =overline(OQ) = overline(OR) = overline(PQ) = overline(QR) = overline(RP)`
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