Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 34E
Related questions
Question
Please I need answers to both questions it’s urgently
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Question 8
Sf
and
dy
Find
f(x, y) = 4x - 6y 2 - 9
= -12y
4x;
%3D
4;
-12y
%3D
%3D
= -5;
=-12y - 9
=D4
-12y: a
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Question 7
Find fx, fy, and fz.
f(x, y, z) = 2
COs V
xz2
cos V
o fx = -
2 cos y
2,2 fy = -Y.f, =.
xz3
女-y
COS V
fx =
sin v
;fz =
2 cos y
%3D
%3D
xz2
XZ
COS v
2 cos y
ifz =
xz3
sin v
%3D
CoS
fx = -
ify --
sin y
ifz =
xz-
2 cos y
XZ
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