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D( w )
w = 0
w = 0
w = 0
w in (-oo:0) U (0:+oo)
(-1/4)*w+1+24 = 1/w+6 // - 1/w+6
(-1/4)*w-(1/w)-6+1+24 = 0
(-1/4)*w-w^-1-6+1+24 = 0
19*w^0-1/4*w^1-1*w^-1 = 0
(19*w^1-1/4*w^2-1*w^0)/(w^1) = 0 // * w^2
w^1*(19*w^1-1/4*w^2-1*w^0) = 0
w^1
(-1/4)*w^2+19*w-1 = 0
(-1/4)*w^2+19*w-1 = 0
DELTA = 19^2-(-1*4*(-1/4))
DELTA = 360
DELTA > 0
w = (360^(1/2)-19)/(2*(-1/4)) or w = (-360^(1/2)-19)/(2*(-1/4))
w = -2*(6*10^(1/2)-19) or w = -2*(-6*10^(1/2)-19)
w in { -2*(6*10^(1/2)-19), -2*(-6*10^(1/2)-19)}
w in { -2*(6*10^(1/2)-19), -2*(-6*10^(1/2)-19) }
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