Question: If L1 is regular and L1L2 is regular, is L2 regular? Prove or disprove This means the concatenation of L1 and L2 right? if they

If L1 is regular and L1L2 is regular, is L2 regular? Prove or disprove This means the concatenation of L1 and L2 right? if they are being concatenated then L2 would always be regular?

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