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D( w )
w = 0
w = 0
w = 0
w in (-oo:0) U (0:+oo)
2/w-6 = 1-((5/4)*w)+24 // - 1-((5/4)*w)+24
(5/4)*w+2/w-24-6-1 = 0
5/4*w^1+2*w^-1-31*w^0 = 0
(5/4*w^2-31*w^1+2*w^0)/(w^1) = 0 // * w^2
w^1*(5/4*w^2-31*w^1+2*w^0) = 0
w^1
(5/4)*w^2-31*w+2 = 0
(5/4)*w^2-31*w+2 = 0
DELTA = (-31)^2-(2*4*(5/4))
DELTA = 951
DELTA > 0
w = (951^(1/2)+31)/(2*(5/4)) or w = (31-951^(1/2))/(2*(5/4))
w = 2/5*(951^(1/2)+31) or w = 2/5*(31-951^(1/2))
w in { 2/5*(31-951^(1/2)), 2/5*(951^(1/2)+31)}
w in { 2/5*(31-951^(1/2)), 2/5*(951^(1/2)+31) }
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