Solution of  is  Option 1) Option 2) Option 3) Option 4)

As learnt in concept

UNION OF SETS -

Let A and B be any two sets. The union of A and B is the set which consists of all the elements of A and all the elements of B, the common elements being taken only once. The symbol ‘∪’ is used to denote the union.

- wherein

Symbolically, we write A U B = {x: x ∈ A or x ∈ B}.

So

Option 1)

This is incorrect option

Option 2)

This is incorrect option

Option 3)

This is incorrect option

Option 4)

This is correct option

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