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Notasi sigma dan induksi matematika

Authored by sriningsih smapang

Mathematics

11th Grade

CCSS covered

Used 49+ times

Notasi sigma dan induksi matematika
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 n=15n(n+1)(n+2)3=...\sum_{n=1}^5\frac{n\left(n+1\right)\left(n+2\right)}{3}=...  

100

110

120

130

140

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 i=451(4i5)=...\sum_{i=4}^{51}\left(4i-5\right)=...  

5.020

5.030

5.040

5.050

5.060

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui S(n) adalah rumus dari :
 13+23+33+...+n3=14n2(n+1)21^3+2^3+3^3+...+n^3=\frac{1}{4}n^2\left(n+1\right)^2  
Jika S(n) benar untuk  n=k+1n=k+1 , ruas kiri persamaan tersebut dapat ditulis sebagai....

 13+23+33+...+(k1)3+k31^3+2^3+3^3+...+\left(k-1\right)^3+k^3  

 13+23+33+...+k3+(k3+1)1^3+2^3+3^3+...+k^3+\left(k^3+1\right)  

 13+23+33+...+(k31)+k31^3+2^3+3^3+...+\left(k^3-1\right)+k^3  

 13+23+33+...+k3+(k3+3k2+3k+1)1^3+2^3+3^3+...+k^3+\left(k^3+3k^2+3k+1\right)  

 13+23+33+...+(k3+1)1^3+2^3+3^3+...+\left(k^3+1\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui S(n) adalah rumus dari: 3+33+35+...+32n1=38(9n1)3+3^3+3^5+...+3^{2n-1}=\frac{3}{8}\left(9^n-1\right) 
Jika S(n) benar untuk  n=k+1n=k+1 , ruas kiri persamaan tersebut dapat ditulis sebagai... 

 3+33+35+...+32k1+32k3+3^3+3^5+...+3^{2k-1}+3^{2k}  

 3+33+35+...+32k3+3.32k3+3^3+3^5+...+\frac{3^{2k}}{3}+3.3^{2k}  

 3+33+35+...+3k1+32k+13+3^3+3^5+...+3^{k-1}+3^{2k+1}  

 3+33+35+...+32k1+32k+23+3^3+3^5+...+3^{2k-1}+3^{2k+2}  

 3+33+35+...+32k+32k+13+3^3+3^5+...+3^{2k}+3^{2k+1}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Nilai k=174k15\sum_{k=1}^74k-15 adalah...

3

7

13

17

23

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui deret bilangan
 36282012+...+212-36-28-20-12+...+212 .
Notasi sigma dari deret tersebut adalah ...

 k=132(4k11)\sum_{k=1}^{32}\left(4k-11\right)  

 k=132(4k22)\sum_{k=1}^{32}\left(4k-22\right)  

 k=132(8k44)\sum_{k=1}^{32}\left(8k-44\right)  

 k=132(8k55)\sum_{k=1}^{32}\left(8k-55\right)  

 k=132(12k44)\sum_{k=1}^{32}\left(12k-44\right)  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Bentuk notasi sigma yang menyatakan deret  2+4+7+12+21+38+...+1.035  adalah...

 k=011(2k+k+1)\sum_{k=0}^{11}\left(2^k+k+1\right)  

 k=010(2k+k+1)\sum_{k=0}^{10}\left(2^k+k+1\right)  

 k=010(2k1+k)\sum_{k=0}^{10}\left(2^{k-1}+k\right)  

 k=012(2k1+k)\sum_{k=0}^{12}\left(2^{k-1}+k\right)  

 k=012(2k)\sum_{k=0}^{12}\left(2^k\right)  

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