### Author Topic: About d'Alembert formula  (Read 1427 times)

#### Tianyi Zhang

• Jr. Member
• Posts: 9
• Karma: 0
##### About d'Alembert formula
« on: October 05, 2016, 04:35:43 PM »
Will we be tested on how to derive d'Alembert formula? Or do we just need to use it to solve problems? I really have trouble understanding this process.
« Last Edit: October 06, 2016, 07:28:00 PM by Tianyi Zhang »