625 = 5 ^ 4
0.04 = 4\100 = 1\25 = (1\5)^2 = 5 ^ ( -2)
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- 2 * ( 5X - X^2 - 8 ) < 4<br>- ( 5X - X^2 - 8) < 2<br>- 5X + X^2 + 8 - 2 < 0<br>X^2 - 5X + 6 < 0<br>D = 25 - 4*1*6 = 1 ; V D = 1
X1 = ( 5 + 1 ) \ 2 = 3
X2 = 4 \ 2 = 2
Ответ: 3 и 2