1/2t^2-1=0

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Solution for 1/2t^2-1=0 equation: 


t in (-oo:+oo)

(1/2)*t^2-1 = 0

1/2*t^2 = 1 // : 1/2

t^2 = 2

t^2 = 2 // ^ 1/2

abs(t) = 2^(1/2)

t = 2^(1/2) or t = -2^(1/2)

t in { 2^(1/2), -2^(1/2) }

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