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Limite de șiruri

Authored by Maria Laura Popa

Mathematics

11th Grade

Used 3+ times

Limite de șiruri
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9 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 limnn(n+1n) =\lim_{n\rightarrow\infty}\sqrt{n}\cdot\left(\sqrt{n+1}-\sqrt{n}\right)\ =  

 12\frac{1}{2}  

0

 \infty  

 -\infty  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 limn cos nn =\lim_{n\rightarrow\infty}\ \frac{\cos\ n}{n\ }=  

 + +\ \infty  

1

0

 1-1  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 limn 1n+2n+3n+... +nn = \lim_{n\rightarrow\infty}\ \sqrt{1^n+2^n+3^n+...\ +n^n}\ =\   

1

 ++\infty  

0

Nu există

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt


 limn n+1n3+1+n+2n3+2+...+n+nn3+n=\lim_{n\rightarrow\infty}\ \frac{n+1}{\sqrt{n^3+1}}+\frac{n+2}{\sqrt{n^3+2}}+...+\frac{n+n}{\sqrt{n^3+n}}=  

 12\frac{1}{2}  

1

0

 ++\infty  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 limn 5nn!=\lim_{n\rightarrow\infty}\ \frac{5^n}{n!}=  

5

 ++\infty  

0

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 limn 3n32n1n3+2n+3=\lim_{n\rightarrow\infty}\ \frac{3\cdot n^3-2n-1}{-n^3+2\cdot n+3}=  

3

 ++\infty  

 -\infty  

 3-3  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 limn ln(2n+3n)n=\lim_{n\rightarrow\infty}\ \frac{\ln\left(2^n+3^n\right)}{n}=  

1

ln 3

0

 ++\infty  

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