(3x/x^2-81)-(1/x-9)

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Solution for (3x/x^2-81)-(1/x-9) equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

(3*x)/(x^2)-(1/x)-81+9 = 0

(3*x)/(x^2)-x^-1-81+9 = 0

2*x^-1 = 72 // : 2

x^-1 = 36

-1 < 0

1/(x^1) = 36 // * x^1

1 = 36*x^1 // : 36

1/36 = x^1

x = 1/36

x = 1/36

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