Ответ: x₁=2 y₁=2 x₂=47/6 y₂=5/6.
Пошаговое объяснение:
{y²-xy+x=2 {y²-(12-5y)*y+12-5y=2 {y²-12y+5y²+12-5y-2=0
{5y+x=12 {x=12-5y
6y²-17y+10=0 D=49 √D=7
y₁=2 x=12-5*2 x=12-10 x₁=2
y₂=5/6 x=12-(5*5/6)=12-(25/6)=(12*6-25)/6=(72-25)/6 x₂=47/6.
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Ответ: x₁=2 y₁=2 x₂=47/6 y₂=5/6.
Пошаговое объяснение:
{y²-xy+x=2 {y²-(12-5y)*y+12-5y=2 {y²-12y+5y²+12-5y-2=0
{5y+x=12 {x=12-5y
6y²-17y+10=0 D=49 √D=7
y₁=2 x=12-5*2 x=12-10 x₁=2
y₂=5/6 x=12-(5*5/6)=12-(25/6)=(12*6-25)/6=(72-25)/6 x₂=47/6.