Question: Is { a n b n a n | n 1 } a regular language? Prove this. I believe the pumping lemma would be used

Is { anbnan | n Is { anbnan | n 1 } a regular language? Prove this. 1 } a regular language? Prove this.

I believe the pumping lemma would be used for this. Just not sure exactly how to show the proof properly.

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