4 V 2 = V 32 = 32 ^ 1\2 = ( 2 ^ 5) ^ 1\2 = 2 ^ 5\2 = 2 ^ 2.5
............................................................
2 ^ ( X^2 + 2X - 0.5 ) = 2 ^ 2.5
...............................................................
X^2 + 2X - 0.5 = 2.5
X^2 + 2X - 3 = 0
D = 4 - 4 *1*(-3) = 16
V D = 4
X1 = ( - 2 + 4 ) : 2 = 1
X2 = ( - 6 ) : 2 = ( - 3 )
.................................................
X^2 + 2X - 0.5 > 0
D = 4 - 4*1*(-0.5) = 4 + 2 = 6
X1 = ( - 2 + V 6 ) : 2 = ( - 2 + 2.4 ) : 2 = 0.2
X > 0.2 ( примерно )
X = ( - 4.4 ) : 2 = ( - 2.2 )
X > ( - 2.2 )
------------------------------------------------------------------------------------------------------------------>
- 3 - 2.2 0.2 1
ОТВЕТ: Х = 1 ( только один корень )