well i have been trying to solve this equation and i just can't...(adsbygoogle = window.adsbygoogle || []).push({});

the solution is given and it's at the second pdf file but i can't understand the procedure can somebody please help?

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Partial derivative equation problem please help

**Physics Forums | Science Articles, Homework Help, Discussion**