If e is the unity in an integral domain D , prove that (−e)a = −a for a D .

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Q: Prove that if D is an integral domain, then D[x] is also an integral domain.

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Q: If e is the unity in an integral domain D, prove that ( - e )a = - a for all a ϵ D.

A: Given that e is the unity of an integral domain D. Need to prove that (-e) a = -a.

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Q: If e denotes the unity element in an integral domain D, prove that me · ne = (mn)e for all т, п € Z

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Q: For an element x of an ordered integral domain D, the absolute value Ix I is defined by…

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Q: If e denotes the unity element in an integral domain D, prove that me • ne = ( mn )e for all m, n ϵ…

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