W^2-1/9

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Solution for W^2-1/9 equation: 


W in (-oo:+oo)

W^2-(1/9) = 0

W^2-1/9 = 0

1*W^2 = 1/9 // : 1

W^2 = 1/9

W^2 = 1/9 // ^ 1/2

abs(W) = 1/3

W = 1/3 or W = -1/3

W in { 1/3, -1/3 }

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