with f an integrable function in R, where R is the region of the XY plane represented in the graph: z+y = 1 2 + y² = 1 R

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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Considere la integral doble: (see attached image)

When transforming the previous integral applying the change of variable to polar coordinates, we obtain:

 

f(x, y)
dA,
x² + y?
with f an integrable function in R, where R is the region of the XY plane represented in the
graph:
x +y = 1
a? + y? = 1
R
Transcribed Image Text:f(x, y) dA, x² + y? with f an integrable function in R, where R is the region of the XY plane represented in the graph: x +y = 1 a? + y? = 1 R
7/2
f(r cos(0), r sen(0))
A) I =
drde
r2
/1-r cos(0)
/2
f(r cos(0), r sen(0))
drd0
B) I =
1
cos (0)+sen(8)
7/2
C) I = ["L
f(r cos(0), r sen(0))
drd0
r2
cos (0)+sen(8)
f(r cos(0), r sen(0))
drd0
D) I =
0.
1-r cos(0)
Transcribed Image Text:7/2 f(r cos(0), r sen(0)) A) I = drde r2 /1-r cos(0) /2 f(r cos(0), r sen(0)) drd0 B) I = 1 cos (0)+sen(8) 7/2 C) I = ["L f(r cos(0), r sen(0)) drd0 r2 cos (0)+sen(8) f(r cos(0), r sen(0)) drd0 D) I = 0. 1-r cos(0)
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