Question

The sum of ap is 15 and there product is 45

Answer 1

a-d+a+a+d=15

a=5,

(a-d)a(a+d)=45

5(5²-d²)=45

25-d²=9

d=±4

ist term =5-4=1

2nd term=5

3rd term=5+4=9

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