Question
Find $\mathbf{r}^{\prime}(t)$$$\mathbf{r}(t)=(4+5 t) \mathbf{i}+\left(t-t^{2}\right) \mathbf{j}$$
Step 1
The vector $\mathbf{r}(t)$ is given by $(4+5 t) \mathbf{i}+\left(t-t^{2}\right) \mathbf{j}$. Show more…
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