# Homework Help: The derivative using logarithmic differentiation. Is this correct?

1. Oct 21, 2012

### dylanhouse

1. The problem statement, all variables and given/known data[/b]

Find the derivative of the given function.

2. Relevant equations

Chain rule and logarithmic differentiation.

3. The attempt at a solution

See attached .gif. I was just wondering if this seemed correct? Thanks!

#### Attached Files:

• ###### Calculus Problem.gif
File size:
9.4 KB
Views:
135
2. Oct 21, 2012

### Zondrina

You made a small mistake going from the 5th to the 6th line. ln(e) = ?

3. Oct 21, 2012

### dylanhouse

ln(e) = 1. I replaced it in the 7th line.

4. Oct 21, 2012

### Zondrina

I mean, xln(e) = x(1) = x right?

$\frac{d}{dx} (x) = 1$

5. Oct 21, 2012

### Dick

It looks fine to me as it is.