Find answers to your questions and expand your knowledge with IDNLearn.com. Discover in-depth and trustworthy answers from our extensive network of knowledgeable professionals.

Tell whether the set is closed under the operation indicated.
If not closed, provide a counterexample.

1.) integers under addition                            2.) integers under division
 
3.) whole numbers under subtraction             4.) Irrational numbers under addition


Sagot :

Tell whether the set is closed under the operation indicated.If not closed, provide a counterexample.

1.) integers under addition 2.) integers under division

3.) whole numbers under subtraction 4.) Irrational numbers under addition

anser is open