Get answer: Finding the Principal Unit Normal Vector In Exercises 1320, find the
Chapter 12, Problem 18(choose chapter or problem)
Finding the Principal Unit Normal Vector In Exercises 13-20,find the principal unit normal vector to the curve at the specified value of the parameter.
\(\mathbf{r}(t)=\sqrt{2} t \mathbf{i}+e^{t} \mathbf{j}+e^{-t} \mathbf{k}, \quad t=0\)
Text Transcription:
r(t)=sqrt 2ti + e^tj + e^-t k, t=0
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