Mathematics, 30.11.2021 05:40 rw050202

Tính min, max của hàm z=f(x, y)=x^2-xy+y^2 trong miền là tam giác ABC với A(0;1), B(1;0), C(-1;-1)

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Tính min, max của hàm z=f(x, y)=x^2-xy+y^2 trong miền là tam giác ABC với A(0;1), B(1;0), C(-1;-1)...

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