10. Let R, S be rings with I, J their respective ideals and prove that I x J is an ideal of the ring RX S [Hint: Do NOT show that R x S is a ring, use that fact]

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 35E: Let R be a commutative ring with unity whose only ideals are {0} and R Prove that R is a...
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10. Let R, S be rings with I, J their respective ideals and prove that I x J is an ideal of the ring
RX S
[Hint: Do NOT show that R x S is a ring, use that fact]
Transcribed Image Text:10. Let R, S be rings with I, J their respective ideals and prove that I x J is an ideal of the ring RX S [Hint: Do NOT show that R x S is a ring, use that fact]
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