Hi there! I could use some help with this problem. I know it has something to do with binomial expansion and cancellation, but I'm really stuck on where to start. Thank you!

2. (10 points) Let f(x)=x1+xx1x a) Explain the difficulty of computing f(x) for a small value of x and show how it can be circumvented. b) Compute (condf f)(x) and discuss the conditioning of f(x) for small x