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xx^r /x=[0,1]* , |x|=l

Here we have restriction that on length of x should be exactly l

If only the language is given How can we say that l is finite or infinite

In one of the videos they have taken subsets of l also 2^l , how can this language be Regular and CFL

plzz explain each point properly
asked in Theory of Computation by (275 points) | 48 views
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