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 P^I ∩ Q^I

A.

{3, 9}

B.

{5, 7, 9}

C.

{1}

D.

{1, 11}

View answer & explanation

Correct answer is C

P^I = {1, 7, 15} ; Q^I = {1, 13, 11}
P^I ∩ Q^I = {1}

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