MathDB
Problems
Contests
National and Regional Contests
Spain Contests
Spain Mathematical Olympiad
1966 Spain Mathematical Olympiad
7
7
Part of
1966 Spain Mathematical Olympiad
Problems
(1)
geometric progression of seven terms wanted
Source: Spanish Mathematical Olympiad 1966 P7
12/4/2022
Determine a geometric progression of seven terms, knowing the sum,
7
7
7
, of the first three, and the sum,
112
112
112
, of the last three.
algebra
geometric sequence