Following are the two equations based on a NFA q1= E +q1a + q2a(Initial state)
q2=q1b + q2b(q2 is final state)
Upon putting eqn1 in 2,I got :-
q2= E + q2b+ab(q1+q2)
I am stuck here,unable to proceed further🤔could any one throw a little light on it?