Question

additive identity in r is​

Answer 1

The additive identity familiar from elementary mathematics is zero, denoted 0. For example, In the natural numbers N and all of its supersets (the integers Z, the rational numbers Q, the real numbers R or the complex numbers C), the additive identity is 0.

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Answer 2

Answer:

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1) Additive identity in r is

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The additive identity in r is -r