W
winmodpro7


Tìm giới hạn: $L = \lim_{x \to 0 } ( 1+ (cosx -1) )^{\frac{1}{cosx-1}.(cosx-1).\frac{1}{tan(x^2)}} \\ \\ L = e^{\lim_{x \to 0 } \frac{cosx-1}{tan(x^2)}} $
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