Tính: $lim \frac{(2n-1)^{2007} - 1}{n^{2007} - 3.n^{2000}}$

C

congchuaanhsang

$\lim\limits_{n\to +∞ } \dfrac{(2n-1)^{2007}-1}{n^{2007}-3n^{2000}}$

$=\lim\limits_{n\to +∞ } \dfrac{(2-\dfrac{1}{n})^{2007}-\dfrac{1}{n^{2007}}}{1-\dfrac{3}{n^7}}=2^{2007}$
 
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