P = {3, 9, 11, 13} and Q = {3, 7, 9, 15} are subset of the universal set ξ = {1, 3, 7, 9, 11, 13, 15} find PI ∩ QI
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Correct Answer: Option C
Explanation:
PI = {1, 7, 15} ; QI = {1, 13, 11}
PI ∩ QI = {1}
PI = {1, 7, 15} ; QI = {1, 13, 11}
PI ∩ QI = {1}