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D( x )
-3*x^2 = 0
x = 0
2*x^-2 = 0
-3*x^2 = 0
-3*x^2 = 0
-3*x^2 = 0 // : -3
x^2 = 0
x = 0
x = 0
x = 0
2*x^-2 = 0
2*x^-2 = 0
2*x^-2 = 0 // : 2
x^-2 = 0
x należy do O
x in (-oo:0) U (0:+oo)
(X^2)/(-3*x^2)-((4*x^-3)/(2*x^-2)) = 0
(X^2)/(-3*x^2)-2*x^-1 = 0
-1/3*X^2*x^-2-2*x^-1 = 0
-x^-1*(1/3*X^2*x^-1+2) = 0
1/3*X^2*x^-1 = -2 // : 1/3*X^2
x^-1 = -6*X^-2
-1 < 0
1/(x^1) = -6*X^-2 // * x^1
1 = -6*X^-2*x^1 // : -6*X^-2
1/(-6*X^-2) = x^1
x = 1/(-6*X^-2)
-1/x = 0
-1*x^-1 = 0 // : -1
x^-1 = 0
x należy do O
x = 1/(-6*X^-2)
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