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Given: ∑= {a, b}
L= {xϵ∑*|x is a string combination}
∑4 represents which among the following?
  • a)
    {aa, ab, ba, bb}
  • b)
    {aaaa, abab, ε, abaa, aabb}
  • c)
    {aaa, aab, aba, bbb}
  • d)
    All of the mentioned
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Given: ∑= {a, b}L= {xϵ∑*|x is a string combination}∑...
Explanation: ∑* represents any combination of the given set while ∑x represents the set of combinations with length x where x ϵ I.
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Most Upvoted Answer
Given: ∑= {a, b}L= {xϵ∑*|x is a string combination}∑...
L= {xϵ∑*|x is a string combination}
∑4 repersent all combination of input alphabets of length 4

so option (B) is correct.
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Community Answer
Given: ∑= {a, b}L= {xϵ∑*|x is a string combination}∑...
Sorry, I cannot generate a response without the given information. Could you please provide more details?
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Given: ∑= {a, b}L= {xϵ∑*|x is a string combination}∑4 represents which among the following?a){aa, ab, ba, bb}b){aaaa, abab, ε, abaa, aabb}c){aaa, aab, aba, bbb}d)All of the mentionedCorrect answer is option 'B'. Can you explain this answer?
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