Question

insert two arithmetic means between 2 and 14

insert three arithmetic means between 6 and 16

insert four arithmetic means between 9 and 24
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Answer 1

1. A1 = 2
2. A5 = 14
3. n = 5
4. d = ?
5. an = ( n-1) d
6. A5 = ( 5-1) d
7. 14 = 2 + 4d
8. 12 = 4d
9. d = 3
10. : 2,5,8,11,14