Question

Помогите 5, только подробно!!!

Answer 1

(x³+y³)/x³=9
x³+y³=9x³
y³=9x³-x³
y³=8x³
y=2x
y/x=2x/x=2

Answer 2

(x³+y³)/x³ = 9
x³/x³ +y³/x³ = 9
1 + y³/x³=9
y³/x³=9-1
y³/x³=8
y/x= 8^(1/3)=2