Ответ:
Объяснение:
1) x1+x2 = 9
→ x1 = 5 x2 = 4
x1x2 = 20
2) x1+x2 = -9
→ x1 = -5 x2 = -4
3) x1+x2 = -11
→ x1 = -12 x2 = 1
x1x2 = -12
4) x1+x2 = 8
→ x1 = 9 x2 = -1
x1x2 = -9
5) x1+x2 = 4
→ Дискриминант < 0, корней нет
x1x2 = 5
6) x1+x2 = 2
→ x1 = = 1 + √6 x2 = = 1 -√6
x1x2 = -5
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Ответ:
Объяснение:
1) x1+x2 = 9
→ x1 = 5 x2 = 4
x1x2 = 20
2) x1+x2 = -9
→ x1 = -5 x2 = -4
x1x2 = 20
3) x1+x2 = -11
→ x1 = -12 x2 = 1
x1x2 = -12
4) x1+x2 = 8
→ x1 = 9 x2 = -1
x1x2 = -9
5) x1+x2 = 4
→ Дискриминант < 0, корней нет
x1x2 = 5
6) x1+x2 = 2
→ x1 = = 1 + √6 x2 = = 1 -√6
x1x2 = -5