Автор - akbarablikimov18

х2 - 6х + 8 = 0;
Зу2 - 8y + 4 = 0​

Ответ

Автор - QDominus

1.

 {x}^{2}   -  6x + 8 = 0 \ D = ( - 6)^{2}  - 4 times 8 = 4 =  {2}^{2}  \ x_{1} =  frac{6 + 2}{2}  = 4 \ x_{2} =  frac{6 - 2}{2}  = 2

Ответ: 2, 4

2.

3 {y}^{2}  - 8y  + 4 = 0 \ D = ( - 8)^{2}  - 4 times 3 times 4 = 16 =  {4}^{2}  \ y_{1} =  frac{ 8 + 4}{6}  = 2 \ y_{2} =  frac{8 - 4}{6}  =  frac{1}{3}

Ответ: 1/3, 2

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