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· 41-45 · 46-50 · 51-55 · 56-60 · 61-65 · 66-70 · 71-75 · 76-80 · 81-85 · 86-90 · 91-95 ·Let SIGMA = {a,b} be an alphabet. a. List between braces the elemnts of SIGMA4. the set of strings of length over SIGMA. b. Let A = SIGMA1 U SIGMA2 and B = SIGMA3 U SIGMA4. Describe A, B and AUB in plain English.
Subject:
Math
Topic:
Discrete Structures
Posting ID:
19774
OTA ID:
103284
The following is is meant to have some assumptions made (like "n"). I have been up all night trying to figure this out. It can't be Euler because the vertices can't be >1. It might be Hamilton if I assume that E of G(V,E) is infinte..but how would I get my answer? I would just have sets (e1, e2,...) Could this be a straight directed graph where I just count my vertices? If I substitute n for say...4, then I would have 4 vertices? therefore, 4 light are needed to be ordered? (sounds too simple) Please help guide me in the right direction! 1. A contractor for a Paradise city on the XYZ planet has to order traffic lights for the city. All streets in the city are straight a... click for more
Subject:
Math
Topic:
Discrete Structures
Posting ID:
21277
OTA ID:
103997
Please help me with this one! 1. Let G be an undirected graph with n vertices. If G is isomorphic to its own compliment , how many edges must G have?
Subject:
Math
Topic:
Discrete Structures
Posting ID:
21278
OTA ID:
103997
.Derive the statement as corollaries of other theorems from the text or of statement you have proved true in the exercise. Prove that if one solution to a quadratic equation of the form x^2+bx+c=0 is rational (where b and c are rational), then the other solutions is also rational. (Use the fact that if the solutions of the equation are r & s, then x^2+bx+c=(x-r)(x-s).)
Subject:
Math
Topic:
Discrete Structures
Posting ID:
21597
OTA ID:
104618
Disprove the statement by giving a counterexample
For all real number a & b, if a
Subject:
Math
Topic:
Discrete Structures
Posting ID:
21600
OTA ID:
103846
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