0
phiếu
0đáp án
328 lượt xem

Tính giới hạn hàm lượng giác

$\mathop {\lim( \cos \sqrt{x+1} - \cos \sqrt{x})}\limits_{x \to \infty }$
2
phiếu
0đáp án
538 lượt xem

Tính giới hạn tại vô cực

1) $\mathop {\lim }\limits_{x \to \pm \infty }(\frac{1}{\sqrt{x^{2}-4x+3}})$2) $\mathop {\lim }\limits_{x \to \pm \infty }(\sqrt{x^{2}-2x-3})$
0
phiếu
1đáp án
800 lượt xem
1
phiếu
1đáp án
1K lượt xem

thắc mắc

1) Tìm lim:a/...
0
phiếu
3đáp án
1K lượt xem

giới hạn 11 khó tt

1) Tìm các giới hạn sau:$a/\mathop {\lim }\limits_{x \to 0}\frac{\sqrt{x+1}-\sqrt[3]{x+1}}{x}$$b/ \mathop {\lim }\limits_{x \to 1}\frac{x^{100}-2x+1}{x^{50}-2x+1}$$c/ \mathop {\lim }\limits_{x \to 2}\frac{(x^2-x-2)^{20}}{(x^3-12x+16)^{10}}.$
0
phiếu
2đáp án
753 lượt xem

giới hạn khó

1) Tìm các giới hạn sau:$a/ \mathop {\lim }\limits_{x \to +\infty}\frac{(2x-1)^5.(3x^2+1)^4}{(3x^2+x+1)^3.(2x+3)^7}$$b/ \mathop {\lim }\limits_{x \to -\infty}\frac{(2x-3)^{2010}.(5-3x^2)}{(4x^3+2).(11-2x)^{2009}} $
0
phiếu
1đáp án
803 lượt xem
0
phiếu
1đáp án
1K lượt xem

Tính giới hạn

Tính : $\mathop {\lim }\limits_{x \to \infty}\frac{(2x-3)^{20}.(3x-2)^{30}}{(5x-1)^{50}} $

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