35. f(x, y) = x² + 2y² – x; R is the disk x? + y? < 4.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 41E: Does the sphere x2+y2+z2=100 have symmetry with respect to the a x-axis? b xy-plane?
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35. f(x, y) = x² + 2y² – x; R is the disk x? + y? < 4.
Transcribed Image Text:35. f(x, y) = x² + 2y² – x; R is the disk x? + y? < 4.
Expert Solution
Step 1 Given equation is-

fx,y=x2+2y2-x which is bounded by R,

R:x2+y24, where R is a disk

Partially differentiating fx,y w.r.t 'x' to both the sides-

fx=2x-1

Partially differentiating fx,y w.r.t. 'y' to both the sides-

fy=4y

 

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