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Which of the following statement is correct?(a) A Context free language can be accepted by a deterministic PDA(b) union of 2 CFLs is context free(c) The intersection of two CFLs is context free(d) The complement of CFLs is context free

Answer» Correct option is (b) union of 2 CFLs is context free

For explanation: Context-free languages are closed under the following operations.  The Kleene star, the concatenation, the union and the intersection.


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