Những bài lim cơ bản !

Tìm lim :

1/ $\lim_{x\to a} \dfrac{ \sqrt{x} - \sqrt{a} + \sqrt{x-a} }{x^2- a^2}$

2/ $\lim_{x\to 0} \dfrac{ \sqrt[m]{1+ax}. \sqrt[n]{1+bx} -1 }{x}$

3/ $\lim_{x\to 1} \dfrac{ \sqrt[n]{x}-1 }{ \sqrt[m]{x} -1}$

4/ $\lim_{x\to 0} \dfrac{tg(a+2x)-2tg(a+x)+tga}{x^2}$

5/ $\lim_{x\to 0} \dfrac{1-cosx.cos2x.cos3x...cosnx}{x^2}$

6/ $\lim_ {x\to \pi/2} \dfrac{ \sqrt{1+cos2x} }{ \sqrt{ \pi }- \sqrt{2x} }$

7/ $\lim_{x\to a} sin{\dfrac{x-a}{2}}tg{\dfrac{ \pi x}{2a}}$

8/ $\lim_{x\to 0} \dfrac{1-cosx \sqrt{cos2x} \sqrt[3]{cos3x} }{1-cosx.cos {\sqrt{2x}}cos{ \sqrt[3]{3x} } }$

9/ $\lim_{x\to \infty} \dfrac{/1+x-3x^2/-/x/}{/1-2x/+/x^2+3x/}$

10/ $\lim_{x\to \infty} \sqrt{x+ \sqrt{x+ \sqrt{x} } } - \sqrt{x}$

#1
ANNIE ROSE

Posted 09-10-2006 - 17:55

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Những bài lim cơ bản !

#1 ANNIE ROSE Posted 09-10-2006 - 17:55

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#1
ANNIE ROSE

Posted 09-10-2006 - 17:55