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D( x )
x < 0
x < 0
x in <0:+oo)
4*x^(1/2) = 2*x-2 // - 2*x-2
4*x^(1/2)-(2*x)+2 = 0
4*x^(1/2)-2*x+2 = 0
t_1 = x^(1/2)
4*t_1^1-2*t_1^2+2 = 0
4*t_1-2*t_1^2+2 = 0
DELTA = 4^2-(-2*2*4)
DELTA = 32
DELTA > 0
t_1 = (32^(1/2)-4)/(-2*2) or t_1 = (-32^(1/2)-4)/(-2*2)
t_1 = (4*2^(1/2)-4)/(-4) or t_1 = (-4*2^(1/2)-4)/(-4)
t_1 = (4*2^(1/2)-4)/(-4)
x^(1/2)-((4*2^(1/2)-4)/(-4)) = 0
1*x^(1/2) = (4*2^(1/2)-4)/(-4) // : 1
x^(1/2) = (4*2^(1/2)-4)/(-4)
( (4*2^(1/2)-4)/(-4) < 0 i 1/2 in (0:1) ) => x należy do O
t_1 = (-4*2^(1/2)-4)/(-4)
x^(1/2)-((-4*2^(1/2)-4)/(-4)) = 0
1*x^(1/2) = (-4*2^(1/2)-4)/(-4) // : 1
x^(1/2) = (-4*2^(1/2)-4)/(-4)
x^(1/2) = (-4*2^(1/2)-4)/(-4) // ^ 2
x = ((-4*2^(1/2)-4)^2)/16
x = ((-4*2^(1/2)-4)^2)/16
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