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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
2*Y+3/x = I // - I
2*Y-I+3/x = 0
3*x^-1 = -(2*Y-I) // : 3
x^-1 = (I-(2*Y))/3
-1 < 0
1/(x^1) = (I-(2*Y))/3 // * x^1
1 = x^1*((I-(2*Y))/3) // : (I-(2*Y))/3
3*(I-2*Y)^-1 = x^1
x = 3*(I-2*Y)^-1
x = 3*(I-2*Y)^-1
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