Evaluating a Limit with L'Hospital's Rule

[Ali Muzamil]

Homework Statement
Evaluate $\lim_{a \rightarrow b} \frac{a^b-b^a}{a^a-b^b}$

The attempt at a solution
I applied L'Hospital's rule and to differentiate it, I took the help of logs.

 

[Greg Bernhardt]

Please show work and use ## for latex

 

[Ali Muzamil]

Please show work and use ## for latex

## ?

 

[Greg Bernhardt]

Put your code between two sets of ##

 

[Ali Muzamil]

Put your code between two sets of ##

What does ## mean?

 

[Greg Bernhardt]

What does ## mean?

It means start code and end code. See I added them to your first post.

 

[mfb]

The attempt at a solution
I applied L'Hospital's rule and to differentiate it, I took the help of logs.

Please show your work then. Where did you get stuck?