A = {1, 2, 3} B = ∅ হলে A ∪ B = কত?

A = {1, 2, 3} B = ∅ হলে A ∪ B = কত?

A {1, 2, 3}

B {2, 3, ∅}

C {1, 2, ∅}

D ∅

Solution

Correct Answer: Option A

A ∪ B means union of all the elements of both sets A and B