SOLUTION: Find the sum of the infinite series: ∞ ∑ {{{ 4(1/5)^(k-1) }}} k=1

Question 1177008: Find the sum of the infinite series:
∞
∑
k=1
Answer by ikleyn(52790) (Show Source): You can put this solution on YOUR website!
.


Infinite geometric progression with the first term a = 4 and the common ratio r = .


Use the general formula for the sum


    Sum =  =  =  = 5.    ANSWER

Solved.

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