the sum of three number in AP is 27 and their product is 405 . find the common difference.

the sum of three number in AP is 27 and their product is 405 . find th

1.	the sum of three number in AP is 27 and their product is 405 . find the common difference.
Answer» D=6 D = 6 I think d=6 D=12 Let 3 number be à-d,a,a+da-d+a+a+d=27(given)3a=27a=9(a-d)a(a+d)=405Substitute a=9 in this equation and solve it