In order to find the area of an ellipse, we may make use of the idea of transformations and our knowledge of the area of a circle. For example, consider R, the region bounded by the (x+3)² (y − 2)² 16 ellipse 9 √ [₁₁A= √ √ 8 will make the tranformation, (x, y) d(u, ‚v) S dA region S is bounded by u²+ v² This means, we must let U= V= X = + = = 1. For easy calculation, we leading to a Jacobian of -dudu, where the transformed which should be easily inverted to obtain = = 1, d(x, y) 0(u, v) and and We calculate the area of the ellipse by multiplying the area of the unit circle and the Jacobian, arriving at (give an exact answer)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.3: Hyperbolas
Problem 33E
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3.8 3
In order to find the area of an ellipse, we may make use of
the idea of transformations and our knowledge of the area of
a circle. For example, consider R, the region bounded by the
(x+3)² (y-2)²
= 1. For easy calculation, we
16
ellipse
9
√ [₁₁A= √ √ 8
will make the tranformation,
(x, y)
d(u, ‚v)
S
dA
region S is bounded by u²+ v²
This means, we must let
U=
V=
x =
+
=
-dudv, where the transformed
leading to a Jacobian of
which should be easily inverted to obtain
=
= 1,
a(x, y)
0(u, v)
and
and
We calculate the area of the ellipse by multiplying the area
of the unit circle and the Jacobian, arriving at (give an exact
answer)
Transcribed Image Text:In order to find the area of an ellipse, we may make use of the idea of transformations and our knowledge of the area of a circle. For example, consider R, the region bounded by the (x+3)² (y-2)² = 1. For easy calculation, we 16 ellipse 9 √ [₁₁A= √ √ 8 will make the tranformation, (x, y) d(u, ‚v) S dA region S is bounded by u²+ v² This means, we must let U= V= x = + = -dudv, where the transformed leading to a Jacobian of which should be easily inverted to obtain = = 1, a(x, y) 0(u, v) and and We calculate the area of the ellipse by multiplying the area of the unit circle and the Jacobian, arriving at (give an exact answer)
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