The sum of the second and third terms of a geometric progression is six times the fourth term.find the two possible values of the common ratio
2 answers
I need this answer now
impatient much?
Use your basic GP formulas ...
ar + ar^2 = 6ar^3
6r^2 - r - 1 = 0
Surely you can finish it off from here ...
Use your basic GP formulas ...
ar + ar^2 = 6ar^3
6r^2 - r - 1 = 0
Surely you can finish it off from here ...
2 answers