Exercise 2.20 pts Let ={a, b}. For each of the following languages, find a grammar that generates the following language.

(a) L1={anbn: n1 }

(b) L2={anbm: m, n1 } (c) L3={an+2bn: n0 }

(d) L4={ambn+1: m, n0 } (e) L5={a2mbn+1: m, n0 }

Mark Exercise 2. K20 pts) Let ={a,b). For each of the following languages, find a grammar that generates the following language. (a) L={a"b":n>1) (b) L2={a"b": m, n>1} (c) L}={c+2b7":n>0; (d) L4={a"6"+l: m, n>0} (e) Ls={ambyn+l: m, n>0}