find the equation of the tangent plane of this surface

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.1: Postulates For The Integers (optional)
Problem 27E: Let x and y be in Z, not both zero, then x2+y2Z+.
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3:- (i)Let r(0; p) = (acos0sino; asin0sinq; acosq),where 0< 0 < 2n; 0 < Ø <T.
Show that r is a simple surface; then find the equation of the tangent plane of this surface
at 0 = t, Q = " /2,a = 1.
%3D
TT
(ii)Let a(x; y) = (x²; y²; xy), show that a is not a simple surface. How to make it
a simple surface.
Transcribed Image Text:3:- (i)Let r(0; p) = (acos0sino; asin0sinq; acosq),where 0< 0 < 2n; 0 < Ø <T. Show that r is a simple surface; then find the equation of the tangent plane of this surface at 0 = t, Q = " /2,a = 1. %3D TT (ii)Let a(x; y) = (x²; y²; xy), show that a is not a simple surface. How to make it a simple surface.
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