Let $R$ be commutative ring and $x,y$ an $R$-regular sequence.
Then I know that $ R/(x)$ is not a projective $R$-module.
My question:
Is $R^{2}/(x,y)R$ a projective $R$-module?
Let $R$ be commutative ring and $x,y$ an $R$-regular sequence.
Then I know that $ R/(x)$ is not a projective $R$-module.
My question:
Is $R^{2}/(x,y)R$ a projective $R$-module?
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