Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Explain in not more than two sentences why the sequence
log
(
a
r
n
−
1
)
\log (a r^{n-1})
lo
g
(
a
r
n
−
1
)
(
n
=
1
,
2
,
3
,
…
n=1,2,3,\dots
n
=
1
,
2
,
3
,
…
) is an arithmetic progression when
a
>
0
a>0
a
>
0
and
r
>
0
r>0
r
>
0
.
Browse the problem library