2. (a) Use Pythagoras' theorem to find the length of the line segment y = 2x from (1, 2) to (2, 4). = t, y = 2t} (for a suitable range of t) to (b) Use the arclength formula with parametrisation {r check your answer.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 39RE
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2. (a) Use Pythagoras' theorem to find the length of the line segment y = 2x from (1, 2) to (2, 4).
(b) Use the arclength formula with parametrisation {x = t,y =
check your answer.
2t} (for a suitable range of t) to
Transcribed Image Text:2. (a) Use Pythagoras' theorem to find the length of the line segment y = 2x from (1, 2) to (2, 4). (b) Use the arclength formula with parametrisation {x = t,y = check your answer. 2t} (for a suitable range of t) to
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