28. For all integers a, b, and c, if a bc then a b or a c.
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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Please help me with 28 and 29, I don’t understand how to do 28 but I already solve 29 ,just want to double check and see if I got the correct answer or not. Thanks.
Transcribed Image Text:For each statement in 20-32, determine whether the
statement is true or false. Prove the statement directly
from the definitions if it is true, and give a counterex-
ample if it is false.
Transcribed Image Text:28. For all integers a, b, and c, if a|bc then a|b or a c.
29. For all integers a and b, if a b then a b².
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