An element a of a ring R is nilpotent if a n = 0 for some n
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An element a of a ring R is nilpotent if an = 0 for some n ∈ Z+. Show that if a and b are nilpotent elements of a commutative ring, then a + b is also nilpotent.
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As explained in the answer to Exercise 41 the binomial expansion is valid in a com...View the full answer
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