SOLUTION: Is the set of irrational numbers closed under multiplication? I THINK the answer is yes but i have no example to prove it.

SOLUTION: Is the set of irrational numbers closed under multiplication? I THINK the answer is yes but i have no example to prove it.

Algebra.Com

Question 375935: Is the set of irrational numbers closed under multiplication?
I THINK the answer is yes but i have no example to prove it.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
No, the set of irrational numbers is not closed under multiplication. Examples:
,
,
, etc...
RELATED QUESTIONS
is the set of irrational numbers closed under... (answered by jim_thompson5910)

is the set of irrational numbers closed under... (answered by Edwin McCravy)

What operations is the set of irrational numbers closed... (answered by ikleyn)

The set of positive real numbers is closed under which operation(s)? is it... (answered by rapaljer)

Is the set {-1,0,1} closed under... (answered by KMST)

determine whether each set of numbers is closed under the indicated operation. 1)... (answered by richard1234)

1.)Is the interval [0,1] closed under multiplication. ? Is yes, why? If no, give... (answered by richard1234)

Is the following true or false? The set of whole numbers is closed under subtraction... (answered by askmemath)

is the following a linear transformation from R^3 to R^2? L(x1,x2,x3) = (x2-x3,x1+2) ? (answered by khwang)