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Mathematics, 05.10.2020 15:01 bravomichelle75

Use 2 numbers to show that the irrational numbers are not closed with respect to multiplication. A.
B.
C.
D.

$\sqrt{4} ( \sqrt{2} \times \sqrt{3} ) = ( \sqrt{4} \times \sqrt{2} ) \times \sqrt{3}$
$\sqrt{2} \times \frac{1}{ \sqrt{2} } = 1$
$\sqrt{2} \times \sqrt{2} = 2$
$\sqrt{2} \times \sqrt{3} = \sqrt{6}$

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