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Giới hạn hàm số

Authored by MATH WITCH

Mathematics

11th Grade

12 Questions

Used 38+ times

Giới hạn hàm số
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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Dãy số nào sau đây có giới hạn khác 0?

1n\frac{1}{n}

1n\frac{1}{\sqrt{n}}

n+1n\frac{n+1}{n}

sin nn\frac{\sin\ n}{\sqrt{n}}

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Dãy số nào sau đây có giới hạn bằng 0?

(43)n\left(\frac{4}{3}\right)^n

(43)n\left(\frac{-4}{3}\right)^n

(53)n\left(\frac{-5}{3}\right)^n

(13)n\left(\frac{1}{3}\right)^n

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 Cho lim un =a, lim vn=b.Cho\ \lim\ u_{n\ }=a,\ \lim\ v_n=b.  Mệnh đề nào đúng trong các mệnh đề sau:

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

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

 lim un=a\lim\ \sqrt{u_n}=\sqrt{a}  

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

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt


  Tıˊnh lim n (n2+1n23)\ Tính\ \lim\ n\ \left(\sqrt{n^2+1}-\sqrt{n^2-3}\right)  

 ++\infty  

4

2

-1

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt


 lim3n42n+44n2+2n+3\lim\frac{3n^4-2n+4}{4n^2+2n+3}  

0

 ++\infty  

3/4

2/7

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

  lim 2n+3n3n \ \lim\ \frac{2^n+3^n}{3^n}\   có giá trị bằng:

0

1

2/3

5/3

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 lim n+4n+1\lim\ \frac{\sqrt{n+4}}{\sqrt{n+1}}  có giá trị bằng :

1

2

4

 ++\infty  

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