Finite Automata

13:00

Question 1 of 13

Which of the following languages is regular? [GATE CS 2014]

{a^n b^m | n, m ≥ 0 and n ≠ m}
{a^n b^m c^p | n, m, p ≥ 0}
{w w^R | w ∈ {a, b}*}
{a^n b^n | n ≥ 0}