200 Terms? Are You Crazy?

Algebra Level 3

\[ \frac11+ \frac1{1+2} +\frac1{1+2+3} +\ldots+\frac1{1+2+3+\ldots+200} \]

If the expression above equals to \( \frac ab\) for coprime positive integers \(a\) and \(b\), what is the value of \(a+b\)?

×

Problem Loading...

Note Loading...

Set Loading...