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D( p )
p = 0
p = 0
p = 0
p in (-oo:0) U (0:+oo)
-((1/8)*p)-24 = 3/p // - 3/p
-((1/8)*p)-(3/p)-24 = 0
(-1/8)*p-3*p^-1-24 = 0
-1/8*p^1-3*p^-1-24*p^0 = 0
(-1/8*p^2-24*p^1-3*p^0)/(p^1) = 0 // * p^2
p^1*(-1/8*p^2-24*p^1-3*p^0) = 0
p^1
(-1/8)*p^2-24*p-3 = 0
(-1/8)*p^2-24*p-3 = 0
DELTA = (-24)^2-(-3*4*(-1/8))
DELTA = 1149/2
DELTA > 0
p = ((1149/2)^(1/2)+24)/(2*(-1/8)) or p = (24-(1149/2)^(1/2))/(2*(-1/8))
p = -4*((1149/2)^(1/2)+24) or p = -4*(24-(1149/2)^(1/2))
p in { -4*((1149/2)^(1/2)+24), -4*(24-(1149/2)^(1/2))}
p in { -4*((1149/2)^(1/2)+24), -4*(24-(1149/2)^(1/2)) }
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