0
-3, -2, -1, 0 and 1
-2, -1 and 0
-1, 0 and 1
Correct answer is A
p = {-3<x<1} = {-2,-1 and 0}
Q = {-1<x<3} = {0,1 and 2}
P n Q = {0} or {-1<x<1}
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