MathDB

24

Part of 2018 Brazil Undergrad MO

Problems(1)

Calculate the value of the series

Source: Brazil Undergrad MO - Galois-Noether 2018 #24

11/26/2019
What is the value of the series ∑1≤l<m<n15l3m2n\sum_{1 \leq l <m<n} \frac{1}{5^l3^m2^n}
SummationBrazilian Undergrad MOsuperior algebra