I JUST NEED QUESTION 4 ANSWERED ASAP

1. Find a pda that accepts the language L = (anb2": n20} 2. Show t by the pda in Exercise 1. . Construct npda's that accept the following regular languages: (a) L 1 = L (aaa" bab) (b) L2= L (aab" aba"). (c) The union of L1 and L2. (d) L1-L2. (e) The intersection of L1 and L2. 4. Find a pda with fewer than four states that accepts the same language as pda in Example 7.2. 5. Prove that the pda in Example 7.5 does not accept any string not in wru 6. Construct npda's that accept the following languages on = {a,b,c} (a) L = {a"pin : n > 0}. (b) L = {wCUR : w E {a, b)' 1. Find a pda that accepts the language L = (anb2": n20} 2. Show t by the pda in Exercise 1. . Construct npda's that accept the following regular languages: (a) L 1 = L (aaa" bab) (b) L2= L (aab" aba"). (c) The union of L1 and L2. (d) L1-L2. (e) The intersection of L1 and L2. 4. Find a pda with fewer than four states that accepts the same language as pda in Example 7.2. 5. Prove that the pda in Example 7.5 does not accept any string not in wru 6. Construct npda's that accept the following languages on = {a,b,c} (a) L = {a"pin : n > 0}. (b) L = {wCUR : w E {a, b)