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9. Prove that: {9a +17b | a, b Z} = Z 10. Define sets A, B, C, and D such that: - |A - B - C - D| = |A| – |B| – |C| - |D|

9. Prove that: {9a +17b | a, b Z} = Z 10. Define sets A, B, C, and D such that: - |A - B - C - D| = |A| – |B| – |C| - |D|

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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This is Discreet math please answer questions with proper formatting for proofs
9. Prove that: {9a + 17b | a, b € Z} = Z E 10. Define sets A, B, C, and D such that: |A - B - C - D| = |A| – |B| – |C| – |D|
Transcribed Image Text:9. Prove that: {9a + 17b | a, b € Z} = Z E 10. Define sets A, B, C, and D such that: |A - B - C - D| = |A| – |B| – |C| – |D|
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