(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The question is below.

https://www.physicsforums.com/attachment.php?attachmentid=45942&d=1333765829 [Broken]

2. Relevant equations

I don't understand how they get the inequalities in their solutions as well as the limits for the integral. (look at the red boxes)

https://www.physicsforums.com/attachment.php?attachmentid=45943&d=1333765829 [Broken]

3. The attempt at a solution

I understand that they calculated the jacobian and every step. I just get stuck at the integral part as well as how they obtained u≥1. In the question it says x and y are both ≥ 1

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# Homework Help: Joint probability distribution question

Can you offer guidance or do you also need help?

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