Multi variable limit with cubic equation

[Beef]

F(x) = ln(x)
I’m trying to use l'hopital's and it works but I’m stuck on finding the derivatives of the denominator

Thank you in advance

 

[stapel]

View attachment 36007
F(x) = ln(x)
I’m trying to use l'hopital's and it works but I’m stuck on finding the derivatives of the denominator

Please see responses posted to another instance of this question (link).

 

[topsquark]

View attachment 36007
F(x) = ln(x)
I’m trying to use l'hopital's and it works but I’m stuck on finding the derivatives of the denominator

Thank you in advance

I'll add to that. Cross posting is fine, but it would be better if you could explain what it is on the other site that is still confusing you. That will help us here to help you better.

-Dan

 

[Beef]

I'll add to that. Cross posting is fine, but it would be better if you could explain what it is on the other site that is still confusing you. That will help us here to help you better.

-Dan

Oh I posted both at around the same time, I didn’t know these were sister sites ?

 

[stapel]

Oh I posted both at around the same time, I didn’t know these were sister sites ?

They're not. But many of us helpers volunteer on more than one forum.