Question

in gp 1st term is 9, 7th term is 1/81 find common ratio.?

Answer 1

a=9 to find-common ratio(r) given=ar power 6 (7th term)=1/81 put value of a.....r power 6=1/729
r=1/3(1/√729 6th root)....hope this helped you ...mark as brainiest if you wish

Answer 2

See the attached file