Question

prosze o pomoc

x=3-2√5

y=2+3√5

x/y

wynik musi wyjsc

-36 +13√5 /41

dam naj

Answer 1

y/x = (3-2√5)/(2+3√5) · (2-3√5)/(2-3√5) = [(3-2√5)(2-3√5)]/(4-45) = (6-9√5-4√5+30)/(-41) =

      = (-36+13√5)/41