FIND THE INFINITE SERIES
Level
pending
FIND THE SUM OF THE SERIES:
1+1/3+1/9+1/27+...........to infinity
4/5
5/2
3/2
2/9
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1 solution
Multiplying the sum by 1/3 we get the same series but without the first sum....
Subtracting from (i) we get...
S- S/3= 1
S= 3/2