AP EAPCET 05-Jul-2022 Shift 1 Paper

Section: Mathematics
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Question : 56 of 160
 
Marks: +1, -0
If P divides the line segment joining the points A(1,2,−1) and B(−1,0,1) externally in the ratio 1:2 and Q=(1,3,−1) then PQ=
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