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What is the sum of the second numbers in the first 100 rows of Pascal's triangle (excluding the first row, the row containing a single 1)? The sum should be over the second through the hundredth row.

 May 31, 2019
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Sum =1 + 2 + 3 + 4 + 5 +..................+ 100 =[100 x 101] / 2 =5050

 May 31, 2019

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