1.

If \[P\equiv (0,\,1,\,0),Q\equiv (0,\,0,\,1)\], then  projection of \[PQ\] on the plane \[x+y+z=3\]is [EAMCET 2002]

A. \[\sqrt{3}\]
B. 3
C. \[\sqrt{2}\]
D. 2
Answer» D. 2


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