Question

Converge or diverge?

Answer 1

http://openstudy.com/study#/updates/549fa459e4b0b8a54fafb388

Answer 2

:P

Answer 3

please, note that if n is even we can write:
\[a _{n}=\frac{ 100*n }{ 100+n }=\frac{ 100 }{ 1+100/n }\]
whereas if n is odd, we can write:
\[a _{n}=-\frac{ 100*n }{ 100+n }=-\frac{ 100 }{ 1+100/n }\]
so?