Difference between revisions of "2019 AMC 10B Problems/Problem 21"
(Created page with "We know that <math>\dfrac14 + \dfrac14 ^ 2 + \dfrac14 ^ 3 + \cdots = \dfrac13.</math>") |
(No difference)
|
Revision as of 23:45, 13 February 2019
We know that