SOLUTION: Find the sum, (if it exists), of the infinite geometric sequence with first term 2 and r = 1/3 thanks for the help! i've been stuck on this one for so long!

Algebra ->  Sequences-and-series -> SOLUTION: Find the sum, (if it exists), of the infinite geometric sequence with first term 2 and r = 1/3 thanks for the help! i've been stuck on this one for so long!      Log On


   

Question 414685: Find the sum, (if it exists), of the infinite geometric sequence with first term 2 and r = 1/3
thanks for the help! i've been stuck on this one for so long!
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

it means.....
2, 2/3 , 2/9, ............infinity
sum = a/(1-r)
= 2/(1-1/3)
= 2/(2/3)
= 3