Home  Light
Version Normal Version 
Search  BBS  Guest Book  Site Map  Help  Contact us  About us 

Example 7Page 2We are very happy that we get this far. Using our compare strategy, we know that the terms in the parenthesis should equal to . In which there is no , using (which we can get from the condition) we can transform to . Using the same way as we did above, we get: Converting sum to product, we have: The identity has been proven. This is a really good problem, once you understand the process of solving this identity, and you know the strategies, you are in very good shape. Try to think why we take steps like that. You will be surprised at how far you have already come. 

Questions? Comments? Contact
us.
© Copyright 1998 LWR, ThinkQuest team
17119. All rights reserved.