Please help, just can't remember how to do this!

Differentiate 1/(1-x)

(w.r.t.x)

It's for part of a ridiculously hard stats problem, I just can't recall this simple rule!

Thanks

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- May 4th 2011, 03:39 AMcangersimple differentiation
Please help, just can't remember how to do this!

Differentiate 1/(1-x)

(w.r.t.x)

It's for part of a ridiculously hard stats problem, I just can't recall this simple rule!

Thanks - May 4th 2011, 03:42 AMProve It
Rewrite it as (1 - x)^{-1} and then use the chain rule...

- May 4th 2011, 03:46 AMbugatti79
- May 4th 2011, 04:56 AMcangerthank you both
Ta!