Question

The 18th term of an AP is 30 more than it's 8th term. If the 15th term of the AP is 48. find the Ap

Answer 1

$\mathfrak{\huge{Solution:-}}$




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Answer 2

a15=48

a18 =30+a8

a+17d=30+a+7d

17d-7d =30

10d=30

d= 30/10

d=3

a+14d=48

a+14(3)=48

a+42=48

a=48-42

a=6

6,9 ,12