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Cho tổng A gồm 2014 số hạng
A = 1/19 + 2/19^2 + 3/19^3 +... + n/19^n +... +2014/19^2014
So sánh A^2013 vs A^2014
Cần gấp ạ. Sẽ có thanks
A = 1/19 + 2/19^2 + 3/19^3 +... + n/19^n +... +2014/19^2014
So sánh A^2013 vs A^2014
Cần gấp ạ. Sẽ có thanks
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