M

Mr. Dubey • 52.30K Points
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Q. Consider the languages: L1 ={a^n b^n c^m | n,m >01 and L2 ={a^n b^m c^m |n,m> o) Which one of the following statements is FALSE?

(A) L1 n L2 is a context-free language
(B) L1 u L2 is a context-free language
(C) L1 and L2 are context-free languages
(D) L1 n L2 is a context sensitive language
Correct : Option (A)

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