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iao2001
@iao2001
July 2022
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Найдите среднее арифметическое корней уравнения у^2-10у-39=0
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УмничкаРазумничка
У^2-10у-39=0
Д=100+156=256
х1=(10+16)/2=13
х2=(10-16)/2=-3
(13-3)/2=5
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Answers & Comments
Д=100+156=256
х1=(10+16)/2=13
х2=(10-16)/2=-3
(13-3)/2=5