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D( a )
a^2 = 0
a = 0
a^2 = 0
a^2 = 0
1*a^2 = 0 // : 1
a^2 = 0
a = 0
a = 0
a = 0
a in (-oo:0) U (0:+oo)
3/(a^2)-(1/a)-(4/a)-((6/(a^2))/1)+1 = 0
3/(a^2)-a^-1-4*a^-1-6*a^-2+1 = 0
1-5*a^-1-3*a^-2 = 0
t_1 = a^-1
1-3*t_1^2-5*t_1^1 = 0
1-3*t_1^2-5*t_1 = 0
DELTA = (-5)^2-(-3*1*4)
DELTA = 37
DELTA > 0
t_1 = (37^(1/2)+5)/(-3*2) or t_1 = (5-37^(1/2))/(-3*2)
t_1 = (37^(1/2)+5)/(-6) or t_1 = (5-37^(1/2))/(-6)
t_1 = (37^(1/2)+5)/(-6)
a^-1-((37^(1/2)+5)/(-6)) = 0
1*a^-1 = (37^(1/2)+5)/(-6) // : 1
a^-1 = (37^(1/2)+5)/(-6)
-1 < 0
1/(a^1) = (37^(1/2)+5)/(-6) // * a^1
1 = ((37^(1/2)+5)/(-6))*a^1 // : (37^(1/2)+5)/(-6)
-6*(37^(1/2)+5)^-1 = a^1
a = -6*(37^(1/2)+5)^-1
t_1 = (5-37^(1/2))/(-6)
a^-1-((5-37^(1/2))/(-6)) = 0
1*a^-1 = (5-37^(1/2))/(-6) // : 1
a^-1 = (5-37^(1/2))/(-6)
-1 < 0
1/(a^1) = (5-37^(1/2))/(-6) // * a^1
1 = ((5-37^(1/2))/(-6))*a^1 // : (5-37^(1/2))/(-6)
-6*(5-37^(1/2))^-1 = a^1
a = -6*(5-37^(1/2))^-1
a in { -6*(37^(1/2)+5)^-1, -6*(5-37^(1/2))^-1 }
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