The parametric surface R (r, 0) = A = ) = r cos (i + r sin 0j + 0k, for 0 ≤ 0 ≤ 6π, 0 ≤ r ≤ 1, is a helicoid (spiral ramp). What is the surface area?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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The parametric surface Ř (r, 0) = r cos 0i + r sin 0j + 0k, for 0 ≤ 0 ≤ 6ñ, 0 ≤ r ≤ 1, is a helicoid (spiral ramp). What is the surface area?
A =
Transcribed Image Text:The parametric surface Ř (r, 0) = r cos 0i + r sin 0j + 0k, for 0 ≤ 0 ≤ 6ñ, 0 ≤ r ≤ 1, is a helicoid (spiral ramp). What is the surface area? A =
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