যদি U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {0, 1, 2, 3, 4}, B = {2, 3, 4, 5, 6, 7} হলে (A \( \cup \) B)' = ?

A {3, 7, 9}

B {2, 6, 8}

C {8, 9}

D {0, 1, 5, 6}

Solution

Correct Answer: Option C

A υ B ={0, 1, 2, 3, 4} υ {2, 3, 4, 5, 6, 7}
={0, 1, 2, 3, 4, 5, 6, 7}

(A υ B)´= U - (A υ B)
= {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} - {0, 1, 2, 3, 4, 5, 6, 7}
= {8, 9}

Solution

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