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L3 = {a i a 2i a 4i | i 0}. L4 = {a i b 2i a i | i 0} Prove or disprove

L3 = {aⁱa²ⁱa⁴ⁱ | i 0}.

L4 = {aⁱ b²ⁱaⁱ| i 0}

Prove or disprove that the languages shown are context-free languages. Use the pumping lemma to refute the claim.

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