Saturday, November 30, 2013

The number 18 can be written as the sum of 9 consecutive integers.What's the product of these integers?

18=sum%28%28x%2Bi%29+%2Ci=0%2C8%29
which when solved leads to x=-2
so our product is
%28-2%29%28-1%29%280%29%281%29%282%29%283%29%284%29%285%29%286%29=0
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