P = (a, b), Q = {b, c), R = (3, 4) হলে (PQ)UR এর উপাদান সংখ্যা কত?

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

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