A) N = (0,4 cos u, 2 sin u) %3D B) N = (0, –4 cos u, –2 sin u) C) N = (1,0,0) D) N = (0, –2 sin u, 4 cos u)
A) N = (0,4 cos u, 2 sin u) %3D B) N = (0, –4 cos u, –2 sin u) C) N = (1,0,0) D) N = (0, –2 sin u, 4 cos u)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Consider the parametrization r (u, v) = (v, 2 cos u, 4 sin u), with u ∈ [0, π/2] and v ∈ [1, 3], which describes the surface S represented in the following graph:
the figure is in the first attached image
A normal
the answers are in the second image
Transcribed Image Text:A) N = (0,4 cos u, 2 sin u)
%3D
B) N = (0, –4 cos u, –2 sin u)
C) N = (1,0,0)
D) N = (0, –2 sin u, 4 cos u)
Transcribed Image Text:%3D
エ
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