Question: Problem 4 L 4 = { w | w = wR; i . e . , w is a palindrome } . Note. Recall that

Problem 4
L4={w | w = wR; i.e., w is a palindrome}.
Note. Recall that for a string w = w1w2 wn, its reverse is wR = wnwn1 w1. You may assume \epsi =\epsi R.

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