Can a radical ever be rational?

asked Nov 13, 2019 3.7k views

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5 votes

A radical can some times be a rational dependes on the numbers

Getsuha answered Nov 14, 2019

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Sure. Here's an example.

$\sqrt{(49)/(81)}=(7)/(9)$

Another one might look like this.
$\sqrt[4]{16} = 2$

And just one more

$\sqrt[3]{8000} = 20$

Nik Todorov answered Nov 17, 2019

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