# Expanding functions in increasing powers

1. Jul 12, 2011

### struglnstudnt

I have not been taught how to do this and therefore unable to answer the following question :-

Expand the function f(x) = (1+x)^3 in increasing powers of x ?

2. Jul 12, 2011

### micromass

Staff Emeritus
Hi struglnstudnt!

You need to calculate

$$(1+x)^3=(1+x)(1+x)(1+x)$$

Just work out the brackets...