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D( t )
(-t)^6 = 0
t = 0
(-t)^6 = 0
(-t)^6 = 0
1*t^6 = 0 // : 1
t^6 = 0
t = 0
t = 0
t = 0
t in (-oo:0) U (0:+oo)
2/t = t/((-t)^6) // - t/((-t)^6)
2/t-(t/((-t)^6)) = 0
2/t-t^-5 = 0
2*t^-1-t^-5 = 0
t_1 = t^-1
2*t_1^1-1*t_1^5 = 0
2*t_1-t_1^5 = 0
t_1*(2-t_1^4) = 0
-1*t_1^4 = -2 // : -1
t_1^4 = 2
t_1^4 = 2 // ^ 1/4
abs(t_1) = 2^(1/4)
t_1 = 2^(1/4) or t_1 = -2^(1/4)
t_1 = 0
t_1 = 0
t_1 = 2^(1/4)
t^-1-2^(1/4) = 0
1*t^-1 = 2^(1/4) // : 1
t^-1 = 2^(1/4)
-1 < 0
1/(t^1) = 2^(1/4) // * t^1
1 = 2^(1/4)*t^1 // : 2^(1/4)
1/(2^(1/4)) = t^1
t = 1/(2^(1/4))
t_1 = -2^(1/4)
t^-1+2^(1/4) = 0
1*t^-1 = -2^(1/4) // : 1
t^-1 = -2^(1/4)
-1 < 0
1/(t^1) = -2^(1/4) // * t^1
1 = -2^(1/4)*t^1 // : -2^(1/4)
1/(-2^(1/4)) = t^1
t = 1/(-2^(1/4))
t_1 = 0
t^-1+0 = 0
t^-1 = 0
1*t^-1 = 0 // : 1
t^-1 = 0
t należy do O
t in { 1/(2^(1/4)), 1/(-2^(1/4)) }
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