# Ideals with Rings

Not what you're looking for? Search our solutions OR ask your own Custom question.

Let R={[a 0] | a,c,d Ɛ Z } and define I={[m 0] | m,n Ɛ Z}.

[c d] [n 0]

(ii) Is I an ideal in M2(Z)={[a b] | a,b,c,d Ɛ Z}? Why or why not?

[c d]

I did part (i). So, I only need help on part (ii)

Please see attached for full question.

https://brainmass.com/math/linear-algebra/ideals-rings-37885

#### Solution Summary

Ideals are investigated. The response received a rating of "5" from the student who originally posted the question.

$2.49