June 2014 FP2 (R) question 8:
For the second differentiation, they have multiplied the differentiation by dy/dz on both sides. I have no idea why they have done that. My differentiation is the same but without the additional dz/dx on both sides.
Clear image if you don't know what I mean:
I have a fp2 mock tomorrow and this question is killing me!
x Turn on thread page Beta
FP2 Second order Differential Question help! Urgent! watch
- Thread Starter
- 11-01-2015 16:52
- 11-01-2015 17:58