Question

√(2-3√20)2+√(3-3√20)2

Answer 1

$sqrt{(2-sqrt[3]{20})^2}+sqrt{(3-sqrt[3]{20})^2}=|2-sqrt[3]{20}|+|3-sqrt[3]{20}|= \ =sqrt[3]{20}-2+3-sqrt[3]{20}=1$