If L1 = { an | n ≥ 0 } and L2 = { bn | n ≥ 0 } , consider

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If L₁ = { aⁿ | n ≥ 0 } and L₂ = { bⁿ | n ≥ 0 } , consider
(I) L₁ .L₂ is a regular language
(II) L₁ .L₂ = {aⁿ bⁿ | n ≥ 0}
Which one of the following is CORRECT?

1. Only (I)
2. Only (II)
3. Both (I) and (II)
4. Neither (I) nor (II)

Correct Option: A

NA