0.15=(1/x^2)

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Solution for 0.15=(1/x^2) 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)

0.15 = 1/(x^2) // - 1/(x^2)

0.15-(1/(x^2)) = 0

0.15-x^-2 = 0

-1*x^-2 = -0.15 // : -1

x^-2 = 0.15

-2 < 0

1/(x^2) = 0.15 // * x^2

1 = 0.15*x^2 // : 0.15

6.66666667 = x^2

x^2 = 6.66666667 // ^ 1/2

abs(x) = 6.66666667^(1/2)

x = 6.66666667^(1/2) or x = -6.66666667^(1/2)

x in { 6.66666667^(1/2), -6.66666667^(1/2) }

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