а)(2x-y) (2x+y)-(2x+y)^2б)(-2x^3y)^3 (5x^2y)^2 - №7017165

а)(2x-y) (2x+y)-(2x+y)^2
б)(-2x^3y)^3 (5x^2y)^2
- Предмет:
  Алгебра
- Автор:
  josefinawelch
- 5 лет назад

Ответы 1

а) (2х)²-у²-4х²+4ху+у²
- Автор:
  lokilaeu
- 5 лет назад
- 0
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C=8 пФ
L=0.5 мГН
Im=40 мА
Um=?
Я знаю,что,к примеру будет решаться так:
CU²/2=LI²/2
U=√LI²/C
U=√5*10^-4*16*10^-4/8*10^-12=100
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each verb only one time:

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