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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
((2*x^3)/2-((3*x^-3)/2))^2 = 0
((2*x^3)/2+(-3/2)*x^-3)^2 = 0
(x^3-3/2*x^-3)^2 = 0
x^3-3/2*x^-3 = 0
x^-3*(x^6-3/2) = 0
1*x^6 = 3/2 // : 1
x^6 = 3/2
x^6 = 3/2 // ^ 1/6
abs(x) = (3/2)^(1/6)
x = (3/2)^(1/6) or x = -(3/2)^(1/6)
x^-3*(x-(3/2)^(1/6))*(x+(3/2)^(1/6)) = 0
(x^-3)^2*(x-(3/2)^(1/6))^2*(x+(3/2)^(1/6))^2 = 0
( x+(3/2)^(1/6) )
x+(3/2)^(1/6) = 0 // - (3/2)^(1/6)
x = -(3/2)^(1/6)
( x-(3/2)^(1/6) )
x-(3/2)^(1/6) = 0 // + (3/2)^(1/6)
x = (3/2)^(1/6)
( x^-3 )
1*x^-3 = 0 // : 1
x^-3 = 0
x należy do O
x in { -(3/2)^(1/6), -(3/2)^(1/6), (3/2)^(1/6), (3/2)^(1/6) }
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