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৮. A = 1, 2, 3}, B = {3, a, b} হলে, A ∪ B = কত?

Created 1 year ago | Updated 1 month ago
(ক) {3, a, b}
(খ) {1, 2, 3}
(গ) {1, 2, 3, a, b}
(ঘ) {3}
No explanation available.

৯. x = {1, 2, 3}, y = {4, 5, 6} হলে, x ∩ y = কত?

Created 1 year ago | Updated 1 month ago
(ক) ∅
(খ) {2, 4}
(গ) {4, 5, 6}
(ঘ) {1, 2, 3}
No explanation available.

১০. U = {1, 2, 3, 4, 5, 6}, A = {2, 4, 6} হলে, B' = কত?

Created 1 year ago | Updated 1 month ago
(ক) {1, 3}
(খ) {2, 4}
(গ) {1, 3, 5}
(ঘ) {1, 2, 3}
No explanation available.

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