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vikachernysh
@vikachernysh
July 2022
2
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100 БАЛЛОВ!
Помогите пожалуйста!!!
Решите уравнение:
4 * 5^(2х) + 5 * 4^(2х) = 9 * 20^х
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Answers & Comments
nlzarandiya1
Ответ: х∈{0;1}
1 votes
Thanks 3
pavlikleon
Verified answer
(0,8)^x=y
4:у+5*у=9
5у*у+4=9у
у*у-1,8у=-0,8
у1=1 у2=0,8
Ответ: 0 или 1.
4 votes
Thanks 3
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Answers & Comments
Ответ: х∈{0;1}
Verified answer
(0,8)^x=y4:у+5*у=9
5у*у+4=9у
у*у-1,8у=-0,8
у1=1 у2=0,8
Ответ: 0 или 1.