Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Theory of Computation Context Free Languages and Pushdown Automata Context Free Languages
Consider R to be any regular language and L1, L2 be any two context-free languages Which one of the following is correct?
1
(L1 ∪ L2)’ − R is context free
2
L1 − R is context free
3
L’1 is context free
4
L1 ⋂ L2 is context free