Correct Answer: Option B

Explanation

a = {x : 1 < x < 9}: a = {2, 3, 4, 5, 6, 7, 8}

b = {x : 0 < x < 9}: b = {1, 2, 3, 4, 5, 6, 7, 8}

C = {x : 2 < x < 9}; c = {3, 4, 5, 6, 7, 8}

U = {1, 2, 3, 4, 5, 6, 7, 8} =  {0 < x < 9}.

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