2. Expand each of the following functions in ascending powers of x up to the term in
x³. In each case state the values of x for which the expansion is valid.
![2 Expand each of the following functions in ascending powers of x up to the term in x In each case state the values of x for which the expansion is valid class=](https://us-static.z-dn.net/files/dca/975cd34fe16ddac4aa9b8ca5cbebb27f.png)