|
ৰাশি |
|
|
|
|
|
|
|
|
|
|
প্ৰথম |
দ্বিতীয় |
তৃতীয় |
চতুৰ্থ |
পঞ্চম |
50 তম |
……. |
100 তম |
(i) |
5n +1 |
6 |
11 |
|
|
|
|
|
|
(ii) |
3n -1 |
2 |
|
8 |
|
|
|
|
|
(iii) |
X2+1 |
2 |
|
|
17 |
|
|
|
|
(iv) |
2x + 3 |
5 |
|
9 |
|
13 |
|
|
203 |
(v) |
4n -1 |
3 |
|
|
|
|
199 |
|
|
|
ৰাশি |
|
|
|
|
|
|
|
|
|
|
প্ৰথম |
দ্বিতীয় |
তৃতীয় |
চতুৰ্থ |
পঞ্চম |
50 তম |
……. |
100 তম |
(i) |
5n +1 |
6 |
11 |
16 |
21 |
26 |
251 |
|
501 |
(ii) |
3n -1 |
2 |
5 |
8 |
11 |
14 |
149 |
|
299 |
(iii) |
X2+1 |
2 |
5 |
9 |
17 |
26 |
2501 |
|
10001 |
(iv) |
2x + 3 |
5 |
7 |
9 |
11 |
13 |
103 |
|
203 |
(v) |
4n -1 |
3 |
7 |
11 |
15 |
19 |
199 |
|
399 |
শীৰ্ষবিন্দুৰ পৰা আঁকিব পৰা কৰ্ণৰ সংখ্যা = 1
n |
1 |
2 |
3 |
4 |
5 |
মান |
1 |
4 |
9 |
16 |
? |
n |
1 |
2 |
3 |
4 |
5 |
- |
n |
মান |
4 |
7 |
10 |
13 |
? |
|
? |
n |
1 |
2 |
3 |
4 |
5 |
6 |
মান |
8 |
10 |
12 |
14 |
16 |
? |
n তম পদ = ?
সমাধানঃ
n | 1 | 2 | 3 | 4 | 5 |
মান | 1 | 4 | 9 | 16 | 25 |
n | 1 | 2 | 3 | 4 | 5 | - | n |
মান | 4 | 7 | 10 | 13 | 16 |
| 3n+1 |
n | 1 | 2 | 3 | 4 | 5 | 6 |
মান | 8 | 10 | 12 | 14 | 16 | 18 |
n তম পদ = 2(n + 3)
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