A = {1, 2, 3, 4, 5, 6}, B = {2, 3, 4, 6} এবং C = {1, 5, 6} হলে (A - B) ∪ C = কত?
Solution
Correct Answer: Option B
দেওয়া আছে,
A = {1,2,3,4,5,6}
B = {2,3,4,6}
C = {1,5,6}
A−B = {1,5} (কারণ 1 এবং 5 A সেটে আছে কিন্তু B সেটে নেই)।
(A−B) ∪ C = {1,5} ∪ {1,5,6}
= {1,5,6}
A = {1,2,3,4,5,6}
B = {2,3,4,6}
C = {1,5,6}
A−B = {1,5} (কারণ 1 এবং 5 A সেটে আছে কিন্তু B সেটে নেই)।
(A−B) ∪ C = {1,5} ∪ {1,5,6}
= {1,5,6}
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