# Math Help - Some kind of proving qn

1. ## Some kind of proving qn

Given y= sqr x + ln sqr x, prove that dy/dx = (x + sqr x)/ (2x x sqr x)

2. Originally Posted by maybeline9216
Given y= sqr x + ln sqr x, prove that dy/dx = (x + sqr x)/ (2x x sqr x)
$y = x^{1/2} + \ln x^{1/2} = x^{1/2} + \frac{1}{2} \, \ln x$.

Where do you get stuck when differentiating? Take care with the simplifying.

3. Originally Posted by mr fantastic
$y = x^{1/2} + \ln x^{1/2} = x^{1/2} + \frac{1}{2} \, \ln x$.

Where do you get stuck when differentiating? Take care with the simplifying.
Thanks i got it already =)