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lenkavasya
@lenkavasya
December 2021
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выполните умножение
(5a^2-0,4b^2)(0,4b^2+5a^2)
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Minsk00
выполните умножение
(5a²-0,4b²)(0,4b²+5a²) =
(5a²)² - (0,4b²)² = 25a^4 - 0,16b^(4)
Используется формула (a-b)(a+b) =a²-b²
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Answers & Comments
(5a²-0,4b²)(0,4b²+5a²) = (5a²)² - (0,4b²)² = 25a^4 - 0,16b^(4)
Используется формула (a-b)(a+b) =a²-b²