a) If U and V are ideals of a ring R and let UV be the set of all those elements which can be written as finite sums of elements of the form xy, where x E U, y E V. Prove that UV is an ideal of R.
a) If U and V are ideals of a ring R and let UV be the set of all those elements which can be written as finite sums of elements of the form xy, where x E U, y E V. Prove that UV is an ideal of R.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.3: The Characteristic Of A Ring
Problem 20E: Let I be the set of all elements of a ring R that have finite additive order. Prove that I is an...
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please solve immediately. course rings and field
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