6. Suppose that (M,+,.) be a maximal ideal of the commutative ring with identity (R, +,.) and x E M, then (a) (M,x) = R (b) x € R* (c) rad M = 0 (d) No Choice (a) (b) (c) (d)

Q: 7. Let R be a commutative ring and let F = F(R, R) be the set of functions f: R→ R. Functions in F…

A: let R be a commutative ring and F=FR,R be the set of function f:R→R defined as f+gx=fx+gxfgx=fxgx…

Q: a) The ring R[x, y]/(x + 1) is a field. b) The ring Z[x]/(7) is a principal ideal domain

A: a) The ring R[x, y]/(x + 1) is not a field. To determine if it is a field, we need to check if every…

Q: 5. Let R be a ring and I, J ideals of R. Is IUJ always an ideal of R? Either prove that this is the…

A: The objective of the question is to determine whether the union of two ideals I and J of a ring R is…

Q: 2- Let f be an isomorphism from the ring (R, +,) to the ring (R', +','). If (I, +;) is an ideal of…

A:

Q: If R and S are rings, define the direct sum of R and S, ROS by RS = {(r, s) : r € R, s € S} where…

A:

Q: 1. Let R be the ring of all functions f: R → R, with operations of pointwise addition and…

A: Ideal:  Let  is a ring. A nonempty subset  of a ring  is call an ideal of , if following are true.…

Q: 18. Let (R, ,) be a commutative ring with identity and let N denote the set of nilpotent clements of…

A: a). As given that N is nonempty as 0∈N.  an=0 (n= positive integer) Then r∈R ran=rnan=0 Let take a,…

Q: B. If R = Z[x] is the polynomial ring over Z, decide whether the following ideals are maximal ideals…

A: We shall use the following theorems to solve this problem.Theorem: Let R be a commutative ring with…