Let-A-a-conmutative-ring-with-1-not-necessarily-a-whole-domain-Study-the-structure-that-has-A-x-with-the-usual-operations-Is-it-a-ring-always-Is-it-a-whole-domain-How-are-the-units-

Question Number 49235 by cesar.marval.larez@gmail.com last updated on 04/Dec/18

L e t A a c o n m u t a t i v e r i n g w i t h 1

(n o t n e c e s s a r i l y a w h o l e d o m a i n) .

S t u d y t h e s t r u c t u r e t h a t h a s A (x)

w i t h t h e u s u a l o p e r a t i o n s

I s i t a r i n g a l w a y s ?

I s i t a w h o l e d o m a i n ?

H o w a r e t h e u n i t s ?