Ответы на вопрос:
4*(2^2x) - 5*(2^x) + 1 = 0 2^x = z 4z² - 5z + 1 = 0 d = 25 - 4*4*1 = 9 z₁ = (5 - 3)/8 z₁ = 1/4 z₂ = (5 + 3)/8 z₂ = 1 2^x = 1/4 2^x = 2^(-2) x₁ = - 2 2^x = 1 2^x = 2^0 x₂ = 0
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