Suppose that a curve C in the xy-plane is smoothly parametrizedbyr(t) = x(t)i + y(t)j (a
Chapter 15, Problem 57(choose chapter or problem)
Suppose that a curve \(C\) in the \(xy-plane\) is smoothly parametrized by
\(r(t)=x(t) i+y(t) j\) \((a \leq t \leq b)\)
In each part, refer to the notation used in the derivation of Formula (9).
(a) Let \(m and M\) denote the respective minimum and maximum values of \(\left\|r^{\prime}(t)\right\|\) on \([a, b]\). Prove that \(0 \leq m\left(\max t_{k}\right) \leq \max s_{k} \leq M\left(\max t_{k}\right)\)
(b) Use part (a) to prove that \(\max s_{k} \rightarrow 0\) if and only if \(\max t_{k} \rightarrow 0\).
Equation Transcription:
Text Transcription:
C
Xy-plane
r(t) = x(t)i + y(t)j
(a leq t leq b)
m and M
|| r^prime (t) ||
[a,b]
0 leq m (max t_k) leq max s_k leq M (max t_k)
max s_k right arrow 0
max t_k right arrow 0
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