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Mathematics
Mathematics
Problem
Find the derivative of the vector function.
r
(
t
)
=
sin
2
a
t
i
+
t
e
b
t
j
+
cos
2
c
t
k
\mathbf{r}(t) = \sin^2 at \mathbf{i} + te^{bt} \mathbf{j} + \cos^2 ct \mathbf{k}
r
(
t
)
=
sin
2
a
t
i
+
t
e
b
t
j
+
cos
2
c
t
k
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