Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
To determine the convergence of
∑
n
=
1
∞
2
n
4
+
n
2
5
n
5
−
7
,
\sum_{n=1}^{\infty}\frac{2n^{4}+n^{2}}{5n^{5}-7},
n
=
1
∑
∞
5
n
5
−
7
2
n
4
+
n
2
,
which of the following benchmark series would be most appropriate to use? a)
∑
n
=
1
∞
1
n
4
\displaystyle \sum_{n=1}^{\infty}\frac{1}{n^{4}}
n
=
1
∑
∞
n
4
1
b)
∑
n
=
1
∞
1
n
2
\displaystyle \sum_{n=1}^{\infty}\frac{1}{n^{2}}
n
=
1
∑
∞
n
2
1
c)
∑
n
=
1
∞
1
n
\displaystyle \sum_{n=1}^{\infty}\frac{1}{n}
n
=
1
∑
∞
n
1
d)
∑
n
=
1
∞
1
n
3
/
2
\displaystyle \sum_{n=1}^{\infty}\frac{1}{n^{3/2}}
n
=
1
∑
∞
n
3/2
1
Browse the problem library