Question

the mixed sure of ✓18 is​

Answer 1

Answer:

$Actually, \: it \: is \: a \: recurring \: decimal, \: so \: to \: be \: accurate, \: and \: also \: for \: convenience, \\ \: we \: express \: part \: of \: the \: square \: root \: \\ as \: a \: \\ whole \: number \: and \: another \: part \: as \: a  \: surd.  \\ 18 = 2×9, so √18= √(2×9).$