Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
n
th
n^{\text{th}}
n
th
term of an A.P. is
(
2
n
+
1
)
(2n + 1)
(
2
n
+
1
)
, then find the sum of its first three terms.
Browse the problem library