U = {1,2,3,4,5}, A = {1,2,4}, B = {2,4,5} হলে (Ac ∪ Bc) হবে__
Solution
Correct Answer: Option C
Given,
U = {1,2,3,4,5}
A = {1,2,4}
B = {2,4,5}
Ac = U - A
= {1,2,3,4,5} - {1,2,4}
= {3,5}
Bc = U - B
= {1,2,3,4,5} - {2,4,5}
= {1,3}
Ac ∪ Bc = {3,5} ∪ {1,3}
= {1,3,5}
U = {1,2,3,4,5}
A = {1,2,4}
B = {2,4,5}
Ac = U - A
= {1,2,3,4,5} - {1,2,4}
= {3,5}
Bc = U - B
= {1,2,3,4,5} - {2,4,5}
= {1,3}
Ac ∪ Bc = {3,5} ∪ {1,3}
= {1,3,5}
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