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Let P_(r)(x_(r),y_(r),z_(r)), r=1,2,3 " be three points where" x_(1),x_(2),x_(3),y_(1),y_(2),y_(3), z_(1),z_(2),z_(3) are each in G.P. with the same common rato then P_(1),P_(2),P_(3) are |
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Answer» coplanar |
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