(1/(x^2))=-49

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Solution for (1/(x^2))=-49 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

1/(x^2) = -49 // + 49

1/(x^2)+49 = 0

1*x^-2 = -49 // : 1

x^-2 = -49

-2 < 0

1/(x^2) = -49 // * x^2

1 = -49*x^2 // : -49

-1/49 = x^2

x belongs to the empty set

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