Найдите значение выражения [tex] \frac{a+b}{0,5b^2 - 0,5a^2} [/tex] при a=0,4 и b=0,3

Найдите значение выражения [tex] \frac{a+b}{0,5b^2 - 0,5a^2} [/tex]
при a=0,4 и b=0,3
- Предмет:
  Алгебра
- Автор:
  salty94
- 5 лет назад

Ответы 2

Спасибо большое
- Автор:
  ravenih8t
- 5 лет назад
- 0
Упростим. В знаменателе вынесем 0,5 за скобки и там останется разность квадратов. Поделим и числитель и знаменатель на (а+в). Окончательное выражение:2/(в-а). Подставив значения, получим -20
- Автор:
  alonso6ujr
- 5 лет назад
- 0
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Найдите значение выражения [tex] \frac{a+b}{0,5b^2 - 0,5a^2} [/tex] при a=0,4 и b=0,3

Ответы 2

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Найдите значение выражения [tex] \frac{a+b}{0,5b^2 - 0,5a^2} [/tex]
при a=0,4 и b=0,3