Question

Determine the first three terms of each of the following arithmetic

sequences of which:
(a) the 3rd term of the sequence is 23 and the 26th term is 230.​

Answer 1

5,14,23

Explanation:

arithmetic sequences are in form:

a(n)=a(o)+d(n-1)

substitute a(3)=23 and a(26)=230

solve and gives

d=0

a(0)=5

a=5+9(n-1)

a(1)=5

a(2)=14

a(3)=23