3 years ago

ANSWER ASAPPPP

Mathematics

1 answer:

g100num [7]3 years ago

8 0

Answer:

A, C, D

Step-by-step explanation:

The sum of two irrational numbers may be rational:

√2 + (-√2) = 0

so that set is not closed under addition.

___

For any of the other sets, addition of two members of the set always results in another (not necessarily different) member of the set.

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