Question

How can we say that Integers are closed Sets?

Answer 1

For example, the positive integers are closed under addition, but not under subtraction: is not a positive integereven though both 1 and 2 are positiveintegers. Another example is the setcontaining only zero, which is closedunder addition, subtraction and multiplication........

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Answer 2

Integers: This set is closed only under addition, subtraction, and multiplication. Rational Numbers: This set is closed under addition, subtraction, multiplication, and division (with the exception of division by 0). Irrational Numbers: This set is closed for none of the operations (e.g., = 2, a rational number). PLZ MARK AS BRAINLIEST