S
snowangel1103


$1/ \mathop {\lim }\limits_{x \to 0}\frac{(1+x)(1+x)^2(1+x)^3-1}{x}$
$2/ \mathop {\lim }\limits_{x \to 0}\frac{\sqrt{x+\sqrt{x^2+1}}-1}{x}$
$3/ \mathop {\lim }\limits_{x \to 1}\frac{\sqrt{1+\sqrt{1-x^2}}-1}{x-1}$
cho e hỏi 1 bài nữa
$4/ \mathop {\lim }\limits_{x \to 0}\frac{\sqrt{1+x}.\sqrt[3]{1+x}-1}{x}$
$2/ \mathop {\lim }\limits_{x \to 0}\frac{\sqrt{x+\sqrt{x^2+1}}-1}{x}$
$3/ \mathop {\lim }\limits_{x \to 1}\frac{\sqrt{1+\sqrt{1-x^2}}-1}{x-1}$
cho e hỏi 1 bài nữa
$4/ \mathop {\lim }\limits_{x \to 0}\frac{\sqrt{1+x}.\sqrt[3]{1+x}-1}{x}$
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