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Which of the following statements is true ?

Which of the following statements is true ? Correct Answer The union of two context free languages is context free., GDP along with NDP can be used to determine losses due to depreciation.

The correct answer is option1

Key Points

  • Context-free language is closed under Union, Concatenation, and Kleen closure. But not closed under complementation and intersection.
  • If a Language is Context Free, it can be either deterministic or non-deterministic language. only deterministic languages are accepted by the deterministic pushdown automaton.
  • Let L1 and L2 be Context-free language

Option 1: 

L1 ∪ L2 is context-free

As context-free languages are closed under union. So it is correct

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