Khaleesi Herbert
2021-03-02
Answered

Let R be a commutative ring with unity and a in R. Then
$\u27e8a\u27e9=\{ra:r\in R\}=Ra=aR$

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toroztatG

Answered 2021-03-03
Author has **98** answers

Let consider,

Let

Now

Let

Since R is commutative

From (1) and (2) Ra is an ideal of R.

Since R is commutative then

Therefore

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Let

and let

Convince me that D is a subspace of

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Find a matrix transformation mapping

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to