Question: For any string w = w 1 w 2 w 3 w n the reverses of w, written w R , is the string w

For any string w = w1w2w3wn the reverses of w, written wR, is the string w in reverse order wR = wn w3 w2 w1.

For any language A, let AR = (wR | w A}. Show that if A is regular then AR is also regular.

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