Giới hạn

Giới hạn

11th Grade

20 Qs

quiz-placeholder

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Giới hạn

Giới hạn

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

nguyễn tùng

Used 20+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị của biểu thức lim n là:

n

0

+ \infty  

- \infty  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tính lim

 lim2n+3n - 1 \lim\frac{2n+3}{\text{n - 1 }}  

2

-2

3

-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị của biểu thức

 lim(n2nn2+n)\lim\left(\sqrt{n^2-n}-\sqrt{n^2+n}\right)  

 12\frac{1}{2}  

 12\frac{-1}{2}  

-1

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tính giá trị của biểu thức

 lim(1+nn2)\lim\left(1+n-n^2\right)  

1

 1  n  n21\ -\ n\ -\ n^2  

 ++\infty  

 -\infty  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Giá trị của a để  lim(n2+11an2)=12\lim\left(\frac{n^2+1}{1-an^2}\right)=\frac{1}{2}  là:

1

2

-1

-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cho  unu_n  = 1n+1\frac{1}{n+1}  và  vn=2n+2v_n=\frac{2}{n+2} . Giá trị của biểu thức  lim unvn\lim\ \frac{u_n}{v_n}  là:

 12\frac{1}{2}  

2

0

3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim (n2+1)(2n3n2)(2n+1)2(1n3)\lim\ \frac{\left(n^2+1\right)\left(2n^3-n^2\right)}{\left(2n+1\right)^2\left(1-n^3\right)}  có giá trị là:

1

 12\frac{-1}{2}  

 12\frac{1}{2}  

 14\frac{1}{4}  

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