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p in (-oo:+oo)
4*p^2-(((8*p)/4)*p^3) = 0
4*p^2-2*p^4 = 0
t_1 = p^2
4*t_1^1-2*t_1^2 = 0
4*t_1-2*t_1^2 = 0
DELTA = 4^2-(-2*0*4)
DELTA = 16
DELTA > 0
t_1 = (16^(1/2)-4)/(-2*2) or t_1 = (-16^(1/2)-4)/(-2*2)
t_1 = 0 or t_1 = 2
t_1 = 0
p^2+0 = 0
p^2 = 0
1*p^2 = 0 // : 1
p^2 = 0
p = 0
t_1 = 2
p^2-2 = 0
1*p^2 = 2 // : 1
p^2 = 2
p^2 = 2 // ^ 1/2
abs(p) = 2^(1/2)
p = 2^(1/2) or p = -2^(1/2)
p in { 0, 2^(1/2), -2^(1/2) }
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