1-1/x^2=0.36

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Solution for 1-1/x^2=0.36 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-(1/(x^2)) = 0.36 // - 0.36

1-(1/(x^2))-0.36 = 0

1-x^-2-0.36 = 0

-1*x^-2 = -0.64 // : -1

x^-2 = 0.64

-2 < 0

1/(x^2) = 0.64 // * x^2

1 = 0.64*x^2 // : 0.64

1.5625 = x^2

x^2 = 1.5625 // ^ 1/2

abs(x) = 1.5625^(1/2)

x = 1.5625^(1/2) or x = -1.5625^(1/2)

x in { 1.5625^(1/2), -1.5625^(1/2) }

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