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Dan
mirhaque
uuuuuuuuuuhuuuuuuuuuuuuu


what are the choices? It helps. I think the question is about whether you get an even or an odd number in the end.


had the same thought
(you get an odd number since the series starts with 1, otherwise you have an even number)
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(10!+1!)/2=(3628800+1)/2=1814400,5 * 10 = 18144005



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