(13/x+3)^2

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Solution for (13/x+3)^2 equation:


D( x )

x = 0

x = 0

x = 0

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

(13/x+3)^2 = 0

(13*x^-1+3)^2 = 0

13*x^-1 = -3 // : 13

x^-1 = -3/13

-1 < 0

1/(x^1) = -3/13 // * x^1

1 = -3/13*x^1 // : -3/13

-13/3 = x^1

x = -13/3

x in { -13/3, -13/3 }

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