a) Show that the area of a closed curve in the xy-plane can be expressed 1 5 p (xdy – ydx) 5 p (xỷ – yà)dt A = 2 where the integral is taken counterclockwise around the curve and x(t) and y(t) are parametric representations of a curve. b) What shape should a closed curve of given constant length be in order to enclose the greatest possible area?
a) Show that the area of a closed curve in the xy-plane can be expressed 1 5 p (xdy – ydx) 5 p (xỷ – yà)dt A = 2 where the integral is taken counterclockwise around the curve and x(t) and y(t) are parametric representations of a curve. b) What shape should a closed curve of given constant length be in order to enclose the greatest possible area?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 12T
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