# Math Help - Binomial expansion

1. ## Binomial expansion

Is this the correct expansion $(2 - x)^{-1} = \frac{1}{2} + x + \frac{x^2}{4}$

2. No.

$(2-x)^{-1}=\frac{1}{2-x}$

3. I mean when you expand it up to x^2 using binomial expansion