2014 Canadian MO Problems/Problem 1
Revision as of 08:14, 26 March 2019 by Sirhcgninil (talk | contribs) (Created page with "\begin{align*} \frac{a_1}{1+a_1}+\frac{a_2}{(1+a_1)(1+a_2)}+\cdots+\frac{a_n}{(1+a_1)(1+a_2)\cdots (1+a_n)}\=(1-\frac{1}{1+a_1})+(\frac{1}{1+a_1}-\frac{1}{(1+a_1)(1+a_2)})+\c...")