a) A curve is given by the parametric equations 1 where 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 68RE
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please explain properly

a) A curve is given by the parametric equations
1
where 1 <t< 3.
= 2 lnt and
%3D
i. If L is the length of the curve, show that
L=
V4t2 +1 dt.
1
ii. Using substitution t =sinh a, or otherwise, find the value of L correct
to four decimal places.
Transcribed Image Text:a) A curve is given by the parametric equations 1 where 1 <t< 3. = 2 lnt and %3D i. If L is the length of the curve, show that L= V4t2 +1 dt. 1 ii. Using substitution t =sinh a, or otherwise, find the value of L correct to four decimal places.
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