How would I go about proving that this series converges:
$\displaystyle \sum^{\infty}_{n=0} \frac{a_n}{4^n} $
Where $\displaystyle a_n $ is the sequence $\displaystyle 1,2,3,1,2,3,... $
Any pointers would be kindly appreciated!
How would I go about proving that this series converges:
$\displaystyle \sum^{\infty}_{n=0} \frac{a_n}{4^n} $
Where $\displaystyle a_n $ is the sequence $\displaystyle 1,2,3,1,2,3,... $
Any pointers would be kindly appreciated!