Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
9. Does the series
∑
n
=
1
∞
(
−
1
)
n
1
+
n
n
2
\sum_{n=1}^{\infty}(-1)^{n} \frac{1+n}{n^{2}}
∑
n
=
1
∞
(
−
1
)
n
n
2
1
+
n
converge absolutely, converge conditionally, or diverge?
Browse the problem library