Question

Abstract algebra. Please write out in sentence form and no symbols

Let c and n be a fixed pair of integers with n > 1. Prove the set A(c) = {[x] elementof Z_n such that [x] [c] = [0]} is a subring of Z_n. Proof/

Show transcribed image text Let c and n be a fixed pair of integers with n > 1. Prove the set A(c) = {[x] elementof Z_n such that [x] [c] = [0]} is a subring of Z_n. Proof/