Question

Find the three terms of an AP whose sum is 9 and common difference is 1.

Answer 1

Answer:

2,3,4

Step-by-step explanation:

let a,a+d,a+2d be the first three terms of ap

given, d=1

sum=9

I.e. a+a+d+a+2d=3a+3d=9

a+d=3

a=2

therefore first three terms are 2,3,4