Найдите сумму корней уравнений: x^2 -7|х|+6=0 - №19961075

Найдите сумму корней уравнений: x^2 -7|х|+6=0
- Предмет:
  Математика
- Автор:
  nemoconway
- 6 лет назад

Ответы 1

x^2-7x+6=0D=b^2-4ac=49-4×6=49-24=25x1=7+5/2=6x2=7-5/2=1x1+x2=6+1=7Ответ:7
- Автор:
  ernesto
- 6 лет назад
- 0
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Choose the right forms of the verbs to complete the sentences.
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THE UK
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