Предмет: Алгебра, автор: cpdt

РЕШИТЕ УРАВНЕНИЕ
3^(x^2-x)=9

Ответы

Автор ответа: Dимасuk
0
3^(x² - x) = 9
3^(x² - x) = 3²
x² - x = 2
x² - x - 2 = 0
x1 + x2 = 1
x1•x2 = -2
x1 = -1
x2 = 2
Ответ: х = -1; 2.
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