Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A geometric progression has first term
2
2
2
and common ratio
3
3
3
. What is the value of
a
3
a
7
a
5
2
\dfrac{a_3\,a_7}{a_5^{\;2}}
a
5
2
a
3
a
7
? a)
9
9
9
b)
3
3
3
c)
1
1
1
d)
27
27
27
Browse the problem library