b2=25/81

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Solution for b2=25/81 equation: 


b in (-oo:+oo)

b^2 = 25/81 // - 25/81

b^2-(25/81) = 0

b^2-25/81 = 0

1*b^2 = 25/81 // : 1

b^2 = 25/81

b^2 = 25/81 // ^ 1/2

abs(b) = 5/9

b = 5/9 or b = -5/9

b in { 5/9, -5/9 }

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