y2=1/4

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Solution for y2=1/4 equation: 


y in (-oo:+oo)

y^2 = 1/4 // - 1/4

y^2-(1/4) = 0

y^2-1/4 = 0

1*y^2 = 1/4 // : 1

y^2 = 1/4

y^2 = 1/4 // ^ 1/2

abs(y) = 1/2

y = 1/2 or y = -1/2

y in { 1/2, -1/2 }

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