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(d) Find Ce (e) Find A UBUC

(d) Find Ce (e) Find A UBUC

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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4. Let A = {z € Zz ≤ 2}, B = {z € Z]z >0}, and C = {-3,-1,0,3,4}.
Transcribed Image Text:4. Let A = {z € Zz ≤ 2}, B = {z € Z]z >0}, and C = {-3,-1,0,3,4}.
(d) Find Ce (e) Find A U BUC
Transcribed Image Text:(d) Find Ce (e) Find A U BUC
Expert Solution
Solution

Solution for Question 4

 

Complement of a set

It is a set which include all the elements from the universal set that not containing the given set elements.

 

d)

Here set C={-3,-1,0,3,4}

Consider the Universal set is Z (Integers: Set of whole numbers plus negative of the natural numbers) then 

                               Cc={z∈Z : z∉C}

                               Cc= {-2,-4,-5,1,2,5,6,...}

 

Final Answer

Cc= {-2,-4,-5,2,5,6,...}

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