Math, asked by chaudharydipesh, 7 months ago

Let ℤ be the set of all integers and ℕ is a set of all natural numbers. Which of the following is a group?

(Where+ is an ordinary addition and − is an ordinary subtraction)

Answers

Answered by vainavidubey

2

Answer:

I have a sunroof and I will be there at a time and then I will

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