Asked by kashish

If the second term of a g.p. is 27 and 7th term is 1/9. Find the first term and the common ratio?
Answered by Writeacher
... not "womens college"

Please follow the directions on the Post a New Question page:
<b>School Subject: _______ (Examples: math, science, algebra, geography) </b>
Answered by Reiny
the second term of a g.p. is 27 ---> ar = 27
7th term is 1/9 ---> ar^6 = 1/9

divide them

(ar^6)/(ar) = (1/9) / 27
r^5 = 1/243 , and I know 3^5 = 243

continue
There are no AI answers yet. The ability to request AI answers is coming soon!