Theorem. Let M, N, and P be R-modules over a commutative ring 3.2 R. Then (i) MORN = NORM as R-modules. (ii) (MORN)®RP=M®R(N®RP) as R-modules.

Q: (15 points) Prove the ring Z[√−2] = {a+b√−2 | a,b ≤ Z} is a Euclidean domain with norm 8(a+b√2) = a²…

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Q: (5) The ring (Z6, +6,•6 ) has that rad Z, (a) ((0), +6.-6 )

A: Given: To explain the correct option of the given statement as follows,

Q: Try to make a mathematical proof based on the linear independence of terms with different powers of…

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Q: 3. In the ring (Z12, +12,-12 ), the following ideal is maximal (a) (2) (b) (3) (c) (a) and (b) (d)…

A: An ideal of any ring is maximal ideal if it is the largest ideal. Suppose P and Q are two ideals of…

Q: (4)Let K be integer ring module 12 and let I=([4]) and J=([6]) be ideals of K. Then [2] belong to…

A: Given that, K=Z12 and ideals I and J are such that I=([4])=4Z12={0,4,8} J=([6])=6Z12={0,6} Now,…

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

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Q: (d) Show that the division algorithm holds in Z[V2]. Hint: Let a, 3 e Z[v2] with B+ 0. Write a/3 =r+…

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Q: Give an example of each of the following, and show that your example satisfies the "highlighted"…

A: For the solution follow the next steps.

Q: Find all idempotent elements of the ring M_2(R).

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Q: (6) The ring (Z,12, +12,·12 ) is ...... (a) field (b) semi-simple (c) simple (d) No Choice O (a) O…

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Q: Show that for any two finite-dimensional L-representations V and W of L: (a) Hom (V, k) ~ V* as…

A: As per bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: Show that submodules of a module of finite length is of finite length. What can you say about the…

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Q: An element x of a ring R is idempotent if x2 = x. (a) Find four idempotent elements of GL(2, R (this…

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Q: 1. The product of 3x²_5x² + 3 and 2x + 5x – 4 in z,[x]/ is а) 2x b) 2x + 1 c) 2x + 2 d) 2x + 3

A: .

Q: Question - and V let Let "M" be an R-Module A, B are sub-Modules of M², then prove that the Quotient…

A: Given : M be an R-Module and A and B are submodules of M. To prove :  AA∩B ≅ A+BB

Q: Show that a non-abelain Lie algebra of dimension two has precisely three ideals.

A: Show that a non-abelain Lie algebra of dimension two has precisely three ideals.

Q: ! (9) Let K be integer ring module 12 and let I-([4]) and J-([6]) be ideals of K. Then ([0]) (i) I +…

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Q: ments is defined as N(a+bV2) = |a^2 ^2].Prove that for every a, bER (b 6= 0)it is sible to find q,…

A: Sol

Q: Let K be integer ring module 12 and let I=([4]) and J-([6]) be ideals of K. Then ([0])

A: Let * be integer ring module 12.  Let  I=4J=6

Q: Every submodule of a noetherian (artinian) module is noetherian (artinian).

A: Every submodule of a noetherian (artinian) module is noetherian (artinian).

Q: 2. In the ring (4Z, +,.), the ideal (8) is (a) not prime (b) maximal (c) maximal and not prime (d)…

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Q: Compute the Killing form for the Heisenberg algebra and find its radical.

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Q: By the Chinese Remainder Theorem, there is a ring isomorphism y: Z/10Z ~ Z/2Z × Z/5Z, (a) Write out…

A: Answer Explanation:Step 1: Step 2: Step 3: Step 4:

Q: How to show that: If M is a finitely generated R-module and mM = M, then M = 0.

A: How to show that: If M is a finitely generated R-module and mM = M, then M = 0.

Q: 7. Aring with identity (R. +..) is commutative if: (a) Ris an integral domain () (a+ b) - a + Zab +…

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Q: Let & be a ring with the invariant rank property and let M and N be free R-modules. Then M IN ift…

A: R be a ring with the invariant rank propertyand let M and N be free R-modules.

Q: Find the invariant factor decomposition of the Z-module HOM7(Z/30Z × Z/10Z, Z/15Z × Z/1OZ).

A: Given: HOMZ Z30Z×Z10Z,Z15Z×Z10Z