Question: For every two languages L1, L2 CE* and the reverse of a language L be defined as LR {W 3* | w=IM for some re

For every two languages L1, L2 CE* and the reverse of

For every two languages L1, L2 CE* and the reverse of a language L be defined as LR {W 3* | w=IM for some re L}. Then, prove that (L L2) R = LL

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