Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
For a particular arithmetic sequence,
u
10
=
16
u_{10}=16
u
10
=
16
and
S
25
=
100
S_{25}=100
S
25
=
100
. Find the value of
k
k
k
such that
u
k
=
0
u_k=0
u
k
=
0
.
Browse the problem library