Question: 5. (20 marks maximum) Prove that the following languages are context free: (a) (10 marks)(an+lyn+2Cn+4 1 m,n2 (b) (10 marks) {an+26c4+2 m, n 20} (c)

5. (20 marks maximum) Prove that the following languages are context free: (a) (10 marks)(an+lyn+2Cn+4 1 m,n2 (b) (10 marks) {an+26"c"4"+2 m, n 20} (c) (10 marks) (ucv | lvla +3lb 3ula + lulb, n 2 1)

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