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Mathematics
Mathematics
Problem
Find the derivative of the vector function.
r
(
t
)
=
t
2
i
+
cos
(
t
2
)
j
+
sin
2
t
k
\mathbf{r}(t) = t^2 \mathbf{i} + \cos(t^2) \mathbf{j} + \sin^2 t \mathbf{k}
r
(
t
)
=
t
2
i
+
cos
(
t
2
)
j
+
sin
2
t
k
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