# Harmonic series

Calculus Level 1

Note that $$\frac{1}{n} \rightarrow 0$$ as $$n\rightarrow \infty.$$ What is the sum of this series?

$\sum_{n=1}^\infty \frac1n = 1 + \frac12 + \frac13 + \frac14 + \frac15+ \cdots$

×