SOLUTION: Find the sum of the series 1/2+(1/3+2/3)+(1/4+2/4+3/4)+...+(1/100+2/100+3/100...+99/100).
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Question 1133988: Find the sum of the series 1/2+(1/3+2/3)+(1/4+2/4+3/4)+...+(1/100+2/100+3/100...+99/100).
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
The sum
1/2+(1/3+2/3)+(1/4+2/4+3/4)+...+(1/100+2/100+3/100...+99/100)
is equal to
1/2+2/2+3/2+...+99/2
This is an arithmetic series with 99 terms; the sum is 99 times the average of the first and last:
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