Representing Series as Power Series Practice Test

$\displaystyle \sum_{n=0}^{\infty}(-1)^{n-1} x^{n+1}$

$\displaystyle \sum_{n=1}^{\infty}(-1)^n x^{n}$

$\displaystyle \sum_{n=0}^{\infty}(-1)^n x^{n}$

$\displaystyle \sum_{n=0}^{\infty}(-1)^n x^{2n+1}$

$\displaystyle \sum_{n=0}^{\infty}(-1)^n x^{n+1}$