P = {x ∈ N : x < 7 এবং x মৌলিক সংখ্যা}, Q = {x ∈ N : x < 5 এবং জৌড়সংখ্যা} এবং R = {1, 3, 5, 7} হলে-
i. P ∩ Q= {2}
ii. P এর উপাদান সংখ্যা 4
iii. R = {x ∈ N : x < 7 এবং x বিজোড় সংখ্যা}
নিচের কোনটি সঠিক?
Created: 8 months ago |
Updated: 8 months ago
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