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Authored by Ngọc Linh Phạm Thị

Mathematics

11th Grade

Used 1+ times

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59 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim⁡1n\lim\frac{\text{1}}{\text{n}}  bằng

 11  

 22  

 00  

 −∞-\infty  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cho  lim⁡un=a,lim⁡vn=b\lim u_n=a,\lim v_n=b . Mệnh đề nào đúng trong các mệnh đề sau?

 lim⁡un+lim⁡vn=lim⁡un.lim⁡vn\lim u_n+\lim v_n=\lim u_n.\lim v_n  

 lim⁡unvn=lim⁡unlim⁡vn\lim\frac{u_n}{v_n}=\frac{\lim u_n}{\lim v_n}  

 lim⁡un=a\lim\sqrt{u_n}=\sqrt{a}  

 a+b=lim⁡un+lim⁡vna+b=\lim u_n+\lim v_n  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị của lim⁡3−2n3n−2\lim\frac{3-2n}{3n-2}  bằng

 −23-\frac{2}{3}  

 23\frac{2}{3}  

 32\frac{3}{2}  

 −32-\frac{3}{2}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim⁡2n2−3n+1n2−2n+3\lim\frac{2n^2-3n+1}{n^2-2n+3}  bằng

 22  

 33  

 11  

 44  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim⁡−34n2−2n+1\lim\frac{-3}{4n^2-2n+1}  

-3/4

 −∞-\infty  

0

 +∞+\infty  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim⁡n+2n2n3+3n−1\lim\frac{n+2n^2}{n^3+3n-1}  

-2

1

2/3

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim⁡a.n+45n+3=2\lim\frac{a.n+4}{5n+3}=2  

a=10

a=5

a=0

a=4/3

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