Solución
r
(
t
)
=
0
i
+
(
1
6
t
3
+
4.5
t
−
14
3
)
j
+
(
t
3
6
−
1
2
t
+
1
3
)
k
\bold{r}(t) = 0\bold{i} + \bigg(\frac{1}{6}t^3+4.5t-\frac{14}{3}\bigg)\bold{j} + \bigg(\frac{t^3}{6}-\frac{1}{2}t+\frac13\bigg)\bold{k}
r
(
t
)
=
0
i
+
(
6
1
t
3
+
4.5
t
−
3
14
)
j
+
(
6
t
3
−
2
1
t
+
3
1
)
k