1. Let X = {1,2} and Y = {3}, do the following. (a). Use the set-roster notation to write set (X × Y) × Y. (b). Find two functions and two non-function relations from X × Y to X.
1. Let X = {1,2} and Y = {3}, do the following. (a). Use the set-roster notation to write set (X × Y) × Y. (b). Find two functions and two non-function relations from X × Y to X.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:1. Let X = {1,2} and Y = {3}, do the following.
(a). Use the set-roster notation to write set (X x Y) × Y.
(b). Find two functions and two non-function relations from X x Y to X.
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