Ответ:
Объяснение:
!!!!!!!!!!!!!!!.!!!!!!!!!!
1)-8
2)-27
3)-1
5)0.000008
6)-1.5625
7)-64
8)0.09
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