The question is: If find as a function of x.

I differentiated once to get

Then again to get

The book's answer is . So I guess that means . But I duno why.

Did I make a mistake? Can anyone help? Thanks.

- Jun 4th 2009, 09:41 PMtleave2000[SOLVED] How to get this 2nd differential as a function of x?
The question is: If find as a function of x.

I differentiated once to get

Then again to get

The book's answer is . So I guess that means . But I duno why.

Did I make a mistake? Can anyone help? Thanks. - Jun 4th 2009, 09:48 PMmr fantastic
- Jun 4th 2009, 10:10 PMtleave2000
Wow, that's pretty difficult to spot...

Thanks alot.