1. The problem statement, all variables and given/known data http://img843.imageshack.us/img843/3826/help3c.png [Broken] 2. Relevant equations Not applicable. 3. The attempt at a solution http://img810.imageshack.us/img810/5577/help2n.png [Broken] Can anyone prove this by evaluating the left side and right side independent of each other? http://img827.imageshack.us/img827/9757/helpdi.png [Broken] Can someone explain why this is incorrect? I'm so confused.