Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Evaluate
∑
k
=
1
n
(
5
+
4
k
+
3
k
)
\displaystyle\sum_{k=1}^{n}\left(5 + 4k + 3^{k}\right)
k
=
1
∑
n
(
5
+
4
k
+
3
k
)
and express the result in its simplest factored form.
Browse the problem library