1/3t^2-1=11

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Solution for 1/3t^2-1=11 equation: 


t in (-oo:+oo)

(1/3)*t^2-1 = 11 // - 11

(1/3)*t^2-11-1 = 0

1/3*t^2 = 12 // : 1/3

t^2 = 36

t^2 = 36 // ^ 1/2

abs(t) = 6

t = 6 or t = -6

t in { 6, -6 }

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