Let A and B be ideals. Prove that A + B = {a+ ß: a E A, ß E B} is an ideal.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.1: Ideals And Quotient Rings
Problem 10E: Let I1 and I2 be ideals of the ring R. Prove that the set I1I2=a1b1+a1b2+...+anbnaiI1,biI2,nZ+ is an...
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an ideal.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbad2ff6b-2d7b-4eb4-8aaa-43d505b53172%2F5c118202-bb8f-4325-8c8b-fde10e625509%2F6plkelr_processed.png&w=3840&q=75)
Transcribed Image Text:Let A and B be ideals. Prove that A+ B = {a+B : a € A, B E B} is
an ideal.
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