Solución
⟨
−
1
(
t
+
1
)
2
,
1
(
t
+
1
)
2
,
3
t
⟩
\bigg\lang \frac{-1}{(t+1)^2},\frac{1}{(t+1)^2},\frac{3}{t}\bigg\rang
⟨
(
t
+
1
)
2
−
1
,
(
t
+
1
)
2
1
,
t
3
⟩