Basic doubt

Question

If $L = \{a^nb^n : n\geq 0\}$
then, $L^2=?$

Comments

How you all are tagging to other users I have also written correct names but it is just plain text

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to tag someone, first type @, then type name

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@Shaik Masthan

Answer 1

$L^2 =L.L =a^nb^na^mb^m |n,m>=0$