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D( p )
p-2 = 0
(p-2)^2 = 0
p-2 = 0
p-2 = 0
p-2 = 0 // + 2
p = 2
(p-2)^2 = 0
(p-2)^2 = 0
p-2 = 0 // + 2
p = 2
p in (-oo:2) U (2:+oo)
3/((p-2)^2)-(5/(p-2))+4 = 0
3/((p-2)^2)-5*(p-2)^-1+4 = 0
3/((p-2)^2)-5/(p-2)+4 = 0
3/((p-2)^2)+(-5*(p-2))/((p-2)^2)+(4*(p-2)^2)/((p-2)^2) = 0
4*(p-2)^2-5*(p-2)+3 = 0
4*p^2-5*p-16*p+13+16 = 0
4*p^2-21*p+29 = 0
4*p^2-21*p+29 = 0
4*p^2-21*p+29 = 0
DELTA = (-21)^2-(4*4*29)
DELTA = -23
DELTA < 0
1 = 0
1/((p-2)^2) = 0
1/((p-2)^2) = 0 // * (p-2)^2
1 = 0
p belongs to the empty set
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