I
iamzero2009


Tìm các giới hạn sau:
1.[TEX]I=\lim_{x\to 0}Log_{cos2x}(1+xsin3x)[/TEX]
2.[TEX]I=\lim_{x\to 0}Log(cos2x)^{\frac{1}{xsin3x}}[/TEX]
3.[TEX]I=\lim_{x\to 0}\frac{ln(sinx+cosx)}{2^x-1}[/TEX]
1.[TEX]I=\lim_{x\to 0}Log_{cos2x}(1+xsin3x)[/TEX]
2.[TEX]I=\lim_{x\to 0}Log(cos2x)^{\frac{1}{xsin3x}}[/TEX]
3.[TEX]I=\lim_{x\to 0}\frac{ln(sinx+cosx)}{2^x-1}[/TEX]
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