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Use the pumping lemma to demonstrate that L 1 , L 2 , L 3 , L 4 and L 5 is not regular. (

Use the pumping lemma to demonstrate that L1, L2, L3, L4 and L5 is not regular.
(a) L1={w in {0,1}
: 0
i1
j where i <= j}(5 points)
(b) L2={w in {a, b, c}
: a
ib
jc
k+2 where i = k and i, j, k >=0}(5 points)
(c) L3={w in {0,1}
: w is a palindrome.}(5 points)
(d) L4={w1#w2 such that |w1|=2|w2|, where \Sigma ={0,1}}(5 points)
(e) L5={w in {a}
: a
2
n where n >=0}(5 points)

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