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1) Let A = {xEN: x - 16 = 0}. Rewrite A in roster notation. {4} |A| = 1 2) Let B = {x E Z:x² – 16 = 0}. Rewrite B in roster notation. {-4,4} \B\ = 2 3) Let C = {x E Z:x² – 48 = 0}. Rewrite C in roster notation. %3D |C| = 0

1) Let A = {xEN: x - 16 = 0}. Rewrite A in roster notation. {4} |A| = 1 2) Let B = {x E Z:x² – 16 = 0}. Rewrite B in roster notation. {-4,4} \B\ = 2 3) Let C = {x E Z:x² – 48 = 0}. Rewrite C in roster notation. %3D |C| = 0

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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1) Let A = {x EN: x - 16 = 0}. Rewrite A in roster notation. {4} \A| = 1 2) Let B = {x EZ:x² – 16 = 0}. Rewrite B in roster notation. {-4,4} \B\ = 2 3) Let C = {x E Z:x² - 48 = 0}. Rewrite C in roster notation. |C| = 0
Transcribed Image Text:1) Let A = {x EN: x - 16 = 0}. Rewrite A in roster notation. {4} \A| = 1 2) Let B = {x EZ:x² – 16 = 0}. Rewrite B in roster notation. {-4,4} \B\ = 2 3) Let C = {x E Z:x² - 48 = 0}. Rewrite C in roster notation. |C| = 0
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Here we are going to write all 3 sets in roster notations and also find out the cardinalities.

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