# Improper integral 2

• Jul 26th 2008, 05:56 AM
asi123
Improper integral 2
I need to find the Improper integral of this thing, What's A?
• Jul 26th 2008, 10:05 AM
Mathstud28
Quote:

Originally Posted by asi123
I need to find the Improper integral of this thing, What's A?

I would guess
\int_0^1\int_0^3f(x,y)dy dx]

http://www.texify.com/img/%5CLARGE%5...dy%5C%2Cdx.gif
• Jul 26th 2008, 10:28 AM
CaptainBlack
Quote:

Originally Posted by asi123
I need to find the Improper integral of this thing, What's A?

Again this is seperable into a pair of 1-D integrals

RonL
• Jul 26th 2008, 10:36 AM
asi123
Quote:

Originally Posted by CaptainBlack
Again this is seperable into a pair of 1-D integrals

RonL

Yeah, 10x, I wasnt familiar with the signing ([0,1]*[0,3]).
• Jul 26th 2008, 11:54 AM
Moo
Quote:

Originally Posted by asi123
Yeah, 10x, I wasnt familiar with the signing ([0,1]*[0,3]).

http://www.texify.com/img/%5CLARGE%5...5Bc%2Cd%5D.gif
This means that the range of x is [a,b] and the range of y is [c,d] (Wink)