1.

The points \[A(-1,3,0)\], \[B\,(2,\,2,\,1)\] and \[C\,(1,\,1,\,3)\] determine a plane. The distance from the plane to the point \[D(5,\,7,8)\] is                                                               [AMU 2001]

A.            \[\sqrt{66}\]
B.            \[\sqrt{71}\]
C.            \[\sqrt{73}\]
D.            \[\sqrt{76}\]
Answer» B.            \[\sqrt{71}\]


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