Thread closed. Sorry I worked it out now.
Turn on thread page Beta
Quick maths question watch
- Community Assistant
- Thread Starter
Last edited by Mystelle; 28-10-2016 at 15:10.
- 28-10-2016 15:05
- 28-10-2016 15:10
I don't have a solid enough mathematics background to be saying this, but I feel like it's because we want to differentiate the y twice by x, and not differentiate y by the product of differentiate x.