Let L = L₁ \Cap L₂, Where L₁ and L₂

question 21

Multiple Choice

Let L = L₁ \cap L₂, where L₁ and L₂ are languages as defined below: L₁ = {a^{m}b^{m}ca^{n}b^{n} | m, n >= 0 } L₂ = {a^{i}b^{j}c^{k} | i, j, k >= 0 } Then L is

• A)Not recursive
• B)Regular
• C)Context free but not regular
• D)Recursively enumerable but not context free.

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