При каких значениях a значение дроби равно 0: a^2-8/a+4? - №23061590

При каких значениях a значение дроби равно 0: a^2-8/a+4?
- Предмет:
  Алгебра
- Автор:
  briannagonzalez
- 5 лет назад

Ответы 1

$\frac{a^2-8}{a+4}=0\\a+4 eq 0,\; \; a eq -4\\\\a^2-8=0\\a^2=8\\a=б \sqrt{8}\\a_{1,2}=б2 \sqrt{2}$
- Автор:
  lazarus8xh9
- 5 лет назад
- 0
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