Recent content by quacky

Ah yep silly mistake. Just gave it another go, still not getting the answer I'm expecting though, can anyone confirm if the answer I think I should be getting (x^2 - 1)/(x^2) is correct or not as I might be chasing something that is wrong to begin with (although its much more likely it's me...

Homework Statement In general I havn't had problems using the differentiation rules until I came on this question, I'm probably doing something stupid any help is handy. Plugged it into an online differentiation solver and it comes up with (x^2-1)/(x^2) which I am getting nowhere near to in my...