Which of the following are decidable?
I. Whether the intersection of two regular languages is infinite
II. Whether a given context-free language is regular
III. Whether two push-down automata accept the same language
IV. Whether a given grammar is context-free
A) I and II
B) I and IV
C) II and III
D) II and IV
Correct Answer:
Verified
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1)
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Q14: Consider the following context free languages:
L1 =
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(P1) Does a
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A)Every
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