Answer Happy • Let A and B be two rings and f : A + B be a ring homomorphism. Prove that f(A) = {f(a): a E A} is a subring of B.

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Let A and B be two rings and f : A + B be a ring homomorphism. Prove that f(A) = {f(a): a E A} is a subring of B.

Posted: Tue May 10, 2022 6:23 am

by answerhappygod

: Let A And B Be Two Rings And F A B Be A Ring Homomorphism Prove That F A F A A E A Is A Subring Of B 1 (14.43 KiB) Viewed 40 times

Let A and B be two rings and f : A + B be a ring homomorphism. Prove that f(A) = {f(a): a E A} is a subring of B.