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dãy số giới hạn

Authored by Hoang Nguyen

Mathematics

11th Grade

Used 304+ times

dãy số giới hạn
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim1n\lim\frac{\text{1}}{\text{n}}  bằng

 11  

 22  

 00  

 -\infty  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cho  limun=a,limvn=b\lim u_n=a,\lim v_n=b . Mệnh đề nào đúng trong các mệnh đề sau?

 limun+limvn=limun.limvn\lim u_n+\lim v_n=\lim u_n.\lim v_n  

 limunvn=limunlimvn\lim\frac{u_n}{v_n}=\frac{\lim u_n}{\lim v_n}  

 limun=a\lim\sqrt{u_n}=\sqrt{a}  

 a+b=limun+limvna+b=\lim u_n+\lim v_n  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị của lim32n3n2\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

 lim2n23n+1n22n+3\lim\frac{2n^2-3n+1}{n^2-2n+3}  bằng

 22  

 33  

 11  

 44  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lim34n22n+1\lim\frac{-3}{4n^2-2n+1}  

-3/4

 -\infty  

0

 ++\infty  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 limn+2n2n3+3n1\lim\frac{n+2n^2}{n^3+3n-1}  

-2

1

2/3

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 lima.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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