6^2/t^2-2

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Solution for 6^2/t^2-2 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)

(6^2)/(t^2)-2 = 0

36*t^-2 = 2 // : 36

t^-2 = 1/18

-2 < 0

1/(t^2) = 1/18 // * t^2

1 = 1/18*t^2 // : 1/18

18 = t^2

t^2 = 18 // ^ 1/2

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

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

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

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