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6. Show that (R | S)* R S*) by giving a counterexample. (R and S are regular expressions.) Also: Is (R | S) = (R*

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6. Show that (R | S)* R S*) by giving a counterexample. (R and S are regular expressions.) Also: Is (R | S)" = (R* 1 s*)" ? Yes, no and why

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