Question

The set AUA is
1.A 2.A' 3. U​

Answer 1

Answer:

2 option is correct answer thank you

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The set A U A is

1. A

2. A'

3. U

EVALUATION

Here the given set is

A U A

We now show that A U A = A

Let x ∈ A U A

⇒ x ∈ A

∴ A U A ⊆ A - - - - - (1)

Next let y ∈ A

⇒ x ∈ A U A

∴ A ⊆ A U A - - - - - (2)

From Equation 1 and Equation 2 we get

A U A = A

FINAL ANSWER

Hence the correct option is 1. A

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