- L1= {anbncn | >=0}
- L2 = {b*c*}
L1 / L2 = {$\epsilon$ , abc/$\epsilon$ , abc /b , abc/c , aabbcc/ $\epsilon$ , aabbcc/b, aabbcc/bb, aabbcc/c, aabbcc/cc, aabbcc/bbc, aabbcc/bbcc........}
= {$\epsilon$ abc, ab, aabbcc, aabbc, aabb, aab, aa......}
= {a* , anbncn, anbn , anbncn-1, ....}
= {anbncn| >=0 } - {bncn| >=0} -{cn| >=0}$\cup$ $\epsilon$ $\cup${ anbn| >=0 } $\cup$ {an| >=0} $\cup$ many more