A.P

Asked by  | 16th Oct, 2009, 02:01: PM

Expert Answer:

let the numbers be  a-d, a , a+d.... imp step.

so acc to qn,

a-d+a+a+d=12

3a=12

a=4

now for the second equation,

solving this equation by opening the brackets, we get,

d=2 or -2

so if

 d=2 then the numbers are

2,4,6

if d=-2

 then the numbers are

6,4,2

Answered by  | 19th Oct, 2009, 03:35: PM

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