à) In Z18, find all proper ideals: >) Find all the elements (cosets) of Zg/I, where I is the ideal generated by {[0], [4]}.

Q: Find all maximal ideals of Z_12:

A: Given ring is Z_12

Q: im: A proper Ideal I is prime if and

A:

Q: Let S = {0, 2, 4, 6, 8} CZ10. Is S an ideal of Z10?

A:

Q: Q5:(A) Let R=(Z12 ,+12, -12 ). Find a) Maximal ideals of R b) Is (Z12, +12) a simple group? c) Is…

A:

Q: Suppose of is a firld and f(x), g(x) are in F[x]. Pravic that if deg(f(x)) = 4 and dry (g(x)) = 2,…

A:

Q: Problem 4 Let I = (6, 15, 27) be the ideal in Z generated by 6, 15, and 27. Since every ideal in Z…

A:

Q: a Prove that I = { : a,b,c,d are even integers} is an ideal of M2(Z). d

A:

Q: Let a, b e Z and let d:= (a, b). Prove that { ia + jb : i,j € Z}={kd : k E Z}. In other words, prove…

A: Let a,b∈ℤ and d=g.c.d.(a,b). The g.c.d.(a,b) divides a and b both. Therefore, ∃ m1,m2 such that…

Q: Let A and B be ideals. Prove that A + B = {a+ ß: a E A, ß E B} is an ideal.

A: Let (R, +, ∘) is a ring and A and B are ideals of R.

Q: Let Z[i] = {a + bi | a, b € Z} be the ring of Gaussian integers. = Determine how many cosets the…

A: As per the question we have to find all the cosets that the principal ideal I = ⟨2 - i⟩ of ℤ[i] has…

Q: (b) U = {q(x) € Z3 [x] : x²+x+1 is a factor of q(x)} in Z3 [x].

A: As asked we shall solve only sub-part b

Q: What is the difference between the notation and {3} .What is the difference between the notation…

A: Here the notation <3> is represent ideal of Z generated by 3      i.e <3> = 3Z is ideal…

Q: 17.6 Find a maximal ideal in a) Zo;

A:

Q: 1. Let R be a PID (principal ideal domain) and let a, b E R be non-zero, non- units. Recall: an…

A: Given That :  R be a principal ideal domain and let a , b ∈R be a non zero, non-units. To Prove : a)…

Q: ideal. Show that is a prime ideal in Z[x]., but it is not a meaximal

A: Let R be a commutative ring and I an ideal of R. (i) I is prime <==> R/I is an integral…

Q: List the elements of the principal ideals in Z8 Which are generated by ,,

A: Definition used: If is a commutative ring then the ideal generated by an element , is given by,…