For any string w w 1 w 2 w n , the reverse of w, written w R , is the string w in reverse order, w n w 2 w 1 For any language A, let A R w R w A Show that if A is regular, so is A R

Question: For any string w = w 1 w 2 w n , the reverse of w, written w R , is the string

For any string w = w₁w₂ · · ·w_n, the reverse of w, written w^R, is the string w in reverse order, w_n · · ·w₂w₁. For any language A, let A^R = {w^R| w ∈ A}. Show that if A is regular, so is A^R.

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