For every two sets A and B, (AUB)-B=A. There exists an even integer, the sum of whose digits is odd, and the product of whose digits is even. There exist odd integers x and y such that 71 x²+3y²

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.4: Prime Factors And Greatest Common Divisor
Problem 4E: Find the smallest integer in the given set. { and for some in } { and for some in }
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4.
For every two sets A and B, (AUB) – B = A .
There exists an even integer, the sum of whose digits is odd, and the product of whose
digits is even.
5.
6.
There exist odd integers x and y such that 7 1 x² +3y²
Transcribed Image Text:4. For every two sets A and B, (AUB) – B = A . There exists an even integer, the sum of whose digits is odd, and the product of whose digits is even. 5. 6. There exist odd integers x and y such that 7 1 x² +3y²
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