Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Prove that an infinite geometric series diverges when the common ratio satisfies
∣
r
∣
≥
1
|r|\ge 1
∣
r
∣
≥
1
.
Browse the problem library