Question: Let the alphabet = {a,b). A string r E . is called a palindrome if x = rr (z reads the same backward as forward);

Let the alphabet = {a,b). A string r E . is

Let the alphabet = {a,b). A string r E . is called a palindrome if x = rr (z reads the same backward as forward); for example, the string abaaaba is a palindrome. Consider the following binary relation R on 2*: For all z,ye , Ry if and only if l and ry" is a palindronne. Note: ryr Isr(yr), not (xy)" For an arbitrary z E , describe the equivalence class R the equivalence class of R containing a). Justify your

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