1/2y^2=1/5

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Solution for 1/2y^2=1/5 equation: 


y in (-oo:+oo)

(1/2)*y^2 = 1/5 // - 1/5

(1/2)*y^2-(1/5) = 0

(1/2)*y^2-1/5 = 0

1/2*y^2 = 1/5 // : 1/2

y^2 = 2/5

y^2 = 2/5 // ^ 1/2

abs(y) = (2/5)^(1/2)

y = (2/5)^(1/2) or y = -(2/5)^(1/2)

y in { (2/5)^(1/2), -(2/5)^(1/2) }

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