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D( q )
q^2 = 0
q^2 = 0
q^2 = 0
1*q^2 = 0 // : 1
q^2 = 0
q = 0
q in (-oo:0) U (0:+oo)
4*q-(24/(q^2))-2 = 0
4*q-24*q^-2-2 = 0
4*q^1-24*q^-2-2*q^0 = 0
(4*q^3-2*q^2-24*q^0)/(q^2) = 0 // * q^4
q^2*(4*q^3-2*q^2-24*q^0) = 0
q^2
4*q^3-2*q^2-24 = 0
{ 1, -1, 2, -2, 3, -3, 4, -4, 6, -6, 8, -8, 12, -12, 24, -24 }
1
q = 1
4*q^3-2*q^2-24 = -22
1
-1
q = -1
4*q^3-2*q^2-24 = -30
-1
2
q = 2
4*q^3-2*q^2-24 = 0
2
q-2
4*q^2+6*q+12
4*q^3-2*q^2-24
q-2
8*q^2-4*q^3
6*q^2-24
12*q-6*q^2
12*q-24
24-12*q
0
4*q^2+6*q+12 = 0
DELTA = 6^2-(4*4*12)
DELTA = -156
DELTA < 0
q in { 2}
q = 2
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