- #1
Solving Improper Integral Homework Problem
- Thread starter asi123
- Start date
Click For Summary
Homework Help Overview
The discussion revolves around an improper integral involving a double integral of the form ∫∫dx dy/(1 + x² + y²)². Participants are exploring methods to evaluate this integral, particularly through the use of polar coordinates.
Discussion Character
- Exploratory, Conceptual clarification, Mathematical reasoning
Approaches and Questions Raised
- Participants discuss the potential of substituting Cartesian coordinates with polar coordinates (r and θ) to simplify the integral. There are attempts to clarify what is meant by certain expressions and to confirm understanding among participants.
Discussion Status
Some participants have indicated that they have tried using polar coordinates and found it effective. However, there are still questions about specific interpretations and expressions used in the discussion, indicating that multiple lines of reasoning are being explored.
Contextual Notes
There appears to be some confusion regarding terminology and expressions used, such as "10x" and its interpretation, which may affect the clarity of communication among participants.
- #2
rocomath
- 1,752
- 1
link it somewhere else so we can see it asap!asi123 said:
- #3
asi123
- 254
- 0
rocomath said:
What do u mean?
- #4
tiny-tim
Science Advisor
Homework Helper
- 25,837
- 258
asi123 said:
Hi asi123!
Have you tried substituting into r and θ?
- #5
rocomath
- 1,752
- 1
[tex]r^2=x^2+y^2[/tex]
- #6
HallsofIvy
Science Advisor
Homework Helper
- 42,895
- 983
In other words, change to polar coordinates.
- #7
asi123
- 254
- 0
10x.
- #8
rocomath
- 1,752
- 1
Work?asi123 said:
- #9
asi123
- 254
- 0
rocomath said:
Yeah
- #10
rocomath
- 1,752
- 1
Not what I meant, but sure :)asi123 said:
- #11
asi123
- 254
- 0
rocomath said:
What did u mean?
- #12
tiny-tim
Science Advisor
Homework Helper
- 25,837
- 258
polar coordinates
Hi asi123!
What did you mean by that?
Have you tried polar coordinates yet (r and θ)?
Hi asi123!
asi123 said:
What did you mean by that?
Have you tried polar coordinates yet (r and θ)?
- #13
asi123
- 254
- 0
tiny-tim said:Hi asi123!
What did you mean by that?
Have you tried polar coordinates yet (r and θ)?
Yeah, I did it, I changed to polar coordinates and it worked.
10x.
- #14
tiny-tim
Science Advisor
Homework Helper
- 25,837
- 258
ping!
ah! …
… you meant "thnx"!
asi123 said:
ah! …
… you meant "thnx"! - #15
asi123
- 254
- 0
tiny-tim said:ah! …
10x is not like "thnx"?
Similar threads
- · Replies 7 ·
- · Replies 2 ·
- · Replies 3 ·
- · Replies 2 ·
- · Replies 13 ·
- · Replies 6 ·
- · Replies 3 ·
- · Replies 16 ·
- · Replies 1 ·