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Discrete Mathematics and Its Applications | 7th Edition | ISBN: 9780073383095 | Authors: Kenneth Rosen
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Let A be the set of English words that contain the letter

Chapter 2, Problem 1E

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QUESTION:

Problem 1E

 Let A be the set of English words that contain the letter x, and let B be the set of English words that contain the letter q. Express each of these sets as a combination of A and B.

a) The set of English words that do not contain the letter x.

b) The set of English words that contain both an x and a

c) The set of English words that contain an x bul not a q.

d) The set of English words that do not contain either an x or a q.

e) The set of English words that contain an x or a q. but not both.

 

Questions & Answers

QUESTION:

Problem 1E

 Let A be the set of English words that contain the letter x, and let B be the set of English words that contain the letter q. Express each of these sets as a combination of A and B.

a) The set of English words that do not contain the letter x.

b) The set of English words that contain both an x and a

c) The set of English words that contain an x bul not a q.

d) The set of English words that do not contain either an x or a q.

e) The set of English words that contain an x or a q. but not both.

 

ANSWER:

Solution

Step 1:

Let A:the set of English words that contain the letter x.

and B: the set of English words that contain the letter q.

we need to express each of the given sets as combination of and B.

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