Ответы на вопрос:
Решение 1) (1/5)^(x^2+x-10) = 6255^(- x²- x + 10) = 5⁴ - x² - x + 10 = 4 x² + x - 6 = 0 x₁ = - 2 x₂ = 3 2) 0.6^x×(5/3)^y=3/5; (2^x)^y=64 (3/5)^x * (3/5)^ (-y) = 3/5 (3/5)^(x - y) = 3/5 x - y = 1 y = x - 1 y = x - 1 2^x*(x - 1) = 64 y = x - 1 2^x*(x - 1) = 2⁶ y = x - 1 x*(x - 1) = 6 y = x - 1 x² - x - 6 = 0 x² - x - 6 = 0 x₁ = - 2 x₂ = 3 x₁ = - 2 y₁ = - 3 x₂ = 3 y₂ = 2 ответ: (- 2 ; - 3) (3 ; 2)
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