Question

√7+√2 + √7-√2          Спростите плз

√7-√2     √7+√2

Answer 1

$frac{(sqrt7+sqrt2)^2+(sqrt7-sqrt2)^2}{(sqrt7+sqrt2)(sqrt7-sqrt2)}=frac{9+2sqrt14+9-2sqrt14}{7-2}=frac{18}{5}=3.6$