Hi would somebody be able to check my answers to some questions I have, i'll just post one at a time as they take up a bit of room:

Q: Obtain for each of the following functions.

i)

A:

Sub

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- Dec 9th 2009, 01:16 PManothernewbieAnswer check please
Hi would somebody be able to check my answers to some questions I have, i'll just post one at a time as they take up a bit of room:

Q: Obtain for each of the following functions.

i)

A:

Sub

- Dec 9th 2009, 01:24 PManothernewbie
I've done the first derivative of the next question but i want to make sure its right before I move on.

ii)

Let and

and

F of F

- Dec 9th 2009, 01:26 PMmybrohshi5
For the second derivative i believe there should be a -x where the -1 is in the numerator and therefore your answer would be -0.345588

- Dec 9th 2009, 01:31 PMmybrohshi5
The first derivative of the second one should be.

Use the chain rule and the rule for the derivative of ln(u) which is - Dec 9th 2009, 01:33 PMmybrohshi5
If you want me to show you the steps just let me know (Nod)

- Dec 9th 2009, 01:37 PManothernewbie
- Dec 9th 2009, 01:49 PMmybrohshi5
- Dec 9th 2009, 01:56 PManothernewbie
Aaaah I see I missed a bit whilst copying my working down, thanks for that

- Dec 9th 2009, 02:01 PMmybrohshi5
No problem =) Good luck