1. ## Improper integral 3

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

2. Originally Posted by asi123
Hey.
I'm kinda stuck on this one, any idea?
Just integrate it

Let

I noticed that it is dy dx, no matter switch the integration order, or just change the above accordingly.

3. Originally Posted by Mathstud28
Just integrate it

Let

I noticed that it is dy dx, no matter switch the integration order, or just change the above accordingly.
Or you could convert to polar. Its a bit easier:

--Chris

4. Originally Posted by Chris L T521
Or you could convert to polar. Its a bit easier:

--Chris
Now why would one want to do it the easy way?

5. Originally Posted by Mathstud28
Now why would one want to do it the easy way?
Hahaha. Don't worry. I usually do things the long and hard way, but when I'm in a hurry, I do it the quickest way possible...

--Chris

6. Originally Posted by Chris L T521
Or you could convert to polar. Its a bit easier:

--Chris
10x.

I should also add the Jacobian, right?

7. Originally Posted by asi123
10x.

I should also add the Jacobian, right?
He did, that is what the r in the numerator is

8. Originally Posted by Mathstud28
He did, that is what the r in the numerator is
Sorry, didnt see that.