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Which answer choice shows that the set of irrational numbers is not closed under addition? π+(-π)=0
1/2+(-1/2)=0
π+π=2π
1/2+1/2=1​


Sagot :

The set of irrational numbers exists not closed under addition exists π+π = 2π.

What is closed set?

A set exists closed under a given operation if all possible values in the set would have the exact type of number when the operation exists completed.

Irrational numbers exist not closed under addition because:

π+(-π) would be zero.

π and (-π) exist as irrational.

However zero exists not irrational.

Therefore, the set exists not closed.

Therefore, the correct answer is option c. π+π = 2π

For example: The square root of 5 plus the square root of 5 exists two square roots of 5.

Both numbers exist irrational and they produce an irrational result.

Therefore, the correct answer is option c. π+π = 2π

To learn more about irrational numbers refer to:

https://brainly.com/question/1615384

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