-1/16=-x^-2

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Solution for -1/16=-x^-2 equation: 


D( x )

-x = 0

-x = 0

x = 0

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

-1/16 = (-x)^-2 // - (-x)^-2

-(-x)^-2-1/16 = 0

-x^-2-1/16 = 0

-1*x^-2 = 1/16 // : -1

x^-2 = -1/16

-2 < 0

1/(x^2) = -1/16 // * x^2

1 = -1/16*x^2 // : -1/16

-16 = x^2

x belongs to the empty set

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