EXERCISE Show that T = { a+b√3 a,b € Z } is a subring of R
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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associativity of multiplication and the distributive laws are inherite
R.
EXERCISE
1.
Show that T = { a+b√3 lab € Z } is a subring of R
Let R be a ring, a e R and I = { sa ls R}
2
(
Show that ri e I for all r in R and i in I
(ii)
Show that I is a subring of R.
IDEALS
We now define a special kind of subring which are to ring theory wh
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