Question

Is it possible to solve d((x+1)/(x-1))/dx? I reached here halfway through a question

Answer 1

Ah!! That's right! I completely forgot about it!

Answer 2

What, ans is zero?

Answer 3

@Dio no, I just couldn't differentiate it before. I tried splitting it into two fractions.
but i remember how to do it now. =D

Answer 4

Use the quotient rule
\[\frac {1(x-1) - 1(x+1)}
{(x-1)^2}= \frac {-2}
{(x-1)^2}
\]