can anybody prove the statement below using only basic identities? $A$ and $B$ are disjoint languages. $$(A \cup B)^∗AB(A \cup B)^∗ \cup B^∗A^∗ = (A \cup B)^∗$$
2026-03-13 04:38:43.1773376723
regular expression problem $(A \cup B)^∗AB(A \cup B)^∗ \cup B^∗A^∗ = (A \cup B)^∗$
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