2.Deduce the general rule in the sequence 6, 21, 46, 81, 126 ______.
| Type in the blank boxes given below: | |
| 1st term = 5 x 2 + 1 | |
| 2nd term = 5 x 2 + 1 | |
| 3rd term = 5 x 2 + 1 | |
| 4th term = 5 x x 42 + 1 | |
| 5th term = 5 x 2 + 1 | |
| nth term = 5 x 2 + 1 | |
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