Question: 4. Show that L-(xxRx : x (a + b)*) is not regular. (IR s the reverse of r, e.g., aab baa)

4. Show that L-(xxRx : x (a + b)*) is not

4. Show that L-(xxRx : x (a + b)*) is not regular. (IR s the reverse of r, e.g., aab baa)

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