A = {1, 2, 3} B = ∅ হলে A ∪ B = কত?
ক) {1, 2, 3}
খ) {2, 3, ∅}
গ) {1, 2, ∅}
ঘ) ∅
Related Questions
ক) 70
খ) 85
গ) 75
ঘ) 100
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