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

SOLUTION: write the sum 1/12 + 1/23 + 1/34 + ... + 1/999910,000 using sigma notation

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) (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.

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