Solving Improper Integral Homework Problem

[asi123]

Homework Statement

Hey.
I'm kinda stuck on this one, any idea?

Homework Equations

The Attempt at a Solution

 

[rocomath]

Homework Statement

Hey.
I'm kinda stuck on this one, any idea?

Homework Equations

The Attempt at a Solution

link it somewhere else so we can see it asap!

 

[asi123]

link it somewhere else so we can see it asap!

What do u mean?

 

[tiny-tim]

∫∫dx dy/(1 + x² + y²)²

Hi asi123!

Have you tried substituting into r and θ?

 

[rocomath]

r^2=x^2+y^2

 

[HallsofIvy]

In other words, change to polar coordinates.

 

[asi123]

10x.

 

[rocomath]

10x.

Work?

 

[asi123]

Work?

Yeah

 

[rocomath]

Yeah

Not what I meant, but sure :)

 

[asi123]

Not what I meant, but sure :)

What did u mean?

 

[tiny-tim]

polar coordinates

Hi asi123!

10x.

What did you mean by that?

Have you tried polar coordinates yet (r and θ)?

 

[asi123]

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.

 

[tiny-tim]

ping!

10x.

ah! …

… you meant "thnx"! ​

 

[asi123]

ah! …

… you meant "thnx"! ​

10x is not like "thnx"?