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Let A be a commutative ring with 1. Let J be the intersection of all maximal ideals in A.

Let A be a commutative ring with 1. Let J be the intersection of all maximal ideals in A. Show that J is an ideal in A

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543734_MATH.pdf

Let Mi be an collection of all maximal ideal of Ring R.
For Mi an Ideal we have to show that Mi is an additive subgroup, and
for r ∈ R and m ∈ Mi we have to prove that r.m ∈ Mi .
Since each...

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