3/x-9/x+1

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Solution for 3/x-9/x+1 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x-(9/x)+1 = 0

3/x-9*x^-1+1 = 0

-6*x^-1 = -1 // : -6

x^-1 = 1/6

-1 < 0

1/(x^1) = 1/6 // * x^1

1 = 1/6*x^1 // : 1/6

6 = x^1

x = 6

x = 6

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