Question

If 6th term of a G.P. is 729 and common ratio is 3, find the series.​

Answer 1

Answer:

let the first term is a

common ratio is r=3

for the 6th term n=6

so,

a3^6-1=729

=> a3^5=729=3^6

=> a=3^6/3^5=3^6-5=3

so the series is 3,3*3=9,9*3=27,27*3=81,81*3=243,243*3=729

=>3,9,27,81,243,729

Step-by-step explanation: