3-1/t^2

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Solution for 3-1/t^2 equation: 


D( t )

t^2 = 0

t^2 = 0

t^2 = 0

1*t^2 = 0 // : 1

t^2 = 0

t = 0

t in (-oo:0) U (0:+oo)

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

3-t^-2 = 0

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

t^-2 = 3

-2 < 0

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

1 = 3*t^2 // : 3

1/3 = t^2

t^2 = 1/3 // ^ 1/2

abs(t) = (1/3)^(1/2)

t = (1/3)^(1/2) or t = -(1/3)^(1/2)

t in { (1/3)^(1/2), -(1/3)^(1/2) }

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