1/x-(x/9)=0

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Solution for 1/x-(x/9)=0 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x-(x/9) = 0

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

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

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

x^1

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

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

DELTA = 0^2-(1*4*(-1/9))

DELTA = 4/9

DELTA > 0

x = ((4/9)^(1/2)+0)/(2*(-1/9)) or x = (0-(4/9)^(1/2))/(2*(-1/9))

x = -3 or x = 3

x in { -3, 3} 

x in { -3, 3 }

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