0580 P41 - Nov 2023 - Q6 - 11 marks
12239
| Sequence | 1st | 2nd | 3rd | 4th | 5th | nth |
|---|---|---|---|---|---|---|
| A | -7 | -3 | 1 | 5 | … | … |
| B | 7 | 13 | 23 | 37 | … | … |
| C | \(2/27\) | \(3/81\) | \(4/243\) | \(5/729\) | … | … |
(a) Complete the fifth term and nth term of all three sequences. [10]
(b) A sequence has \(S_{49}=7644,S_{50}=7975\). Find its 50th term. [1]
