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or
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Downloads resources from here
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MCQ (Single Correct Answer)
GATE CSE 2010
Consider the languagesL1 = {0i1j | i != j}.L2 = {0i1j | i = j}.L3 = {0i1j | i = 2j+1}.L4 = {0i1j | i != 2j}.(A) Only L2 is context free(B) Only L2 and L3 are context free(C) Only L1 and L2 are context free(D) All are context free
