V
viphong_qn


Tìm giới hạn sau:
[TEX]L=\lim_{n \to \infty}(1-\frac{1}{2^2})(1-\frac{1}{3^2})...(1-\frac{1}{n^2})[/TEX]
[TEX]L=\lim_{n \to \infty}(1-\frac{1}{2^2})(1-\frac{1}{3^2})...(1-\frac{1}{n^2})[/TEX]
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