SOLUTION: write the sum 1/1*2 + 1/2*3 + 1/3*4 + ... + 1/9999*10,000 using sigma notation

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Question 442523: write the sum 1/1*2 + 1/2*3 + 1/3*4 + ... + 1/9999*10,000 using sigma notation
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Notice that the numbers we are multiplying together at the bottom are 1 apart.
Then we can let those be represented as n, n+1 respectively. Where n starts at 1 and ends at 9999. Here is the sigma notation.
sum%281%2F%28n%28n%2B1%29%29%2Cn=1%2C+9999%29