Mathematics, 08.09.2020 14:01 hotsaucerman567
Consider the following two regular expressions: R = a∗ + b∗; S = ab∗ + ba∗ + b ∗ a + (a ∗ b)∗.
A) Find a string in r but not in s.
B) Find a string in s but not in r.
C) Find a string in both r and s.
D) Find a string in {a, b}* that is in neither r nor s.
Answers: 3
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Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0
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Consider the following two regular expressions: R = a∗ + b∗; S = ab∗ + ba∗ + b ∗ a + (a ∗ b)∗.
A) F...
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