Yeah I did, thank you! I forgot to carry it onto the next line oops! And I didn't think differential sounded right, thanks for correcting me!(Original post by Zacken)
Yep, if the second derivative is less than 0 (i.e negative) then it's a maximum. Have you spotted why you got It should be - you probably forgot a minus whilst differentiating or something.
C3 Differentiation Question Watch
- Thread Starter
- 17-09-2016 14:30
- 17-09-2016 14:32
- Community Assistant
(Original post by Lollieboo)
- 17-09-2016 16:58
Alright calm down cowboy. If you go to the 'report a post section', there is no option to report someone for giving a full solution or similar. So personally I only guidance of how to answer questions. No rules or strictly forbidding anything.