Question

Three numbers are in

a. p. the difference between the first and the last is 8 and the product of these two is 20. find the numbers.

Answer 1

three number a-d , a,a+d
a-d -(a+d)= -2d=8
d=-4

(a-d)*(a+d)=a^2-b^2=20
a^2-16=20
a=+/-6


three numbers : 10,6,2 ignore -6 as difference between first and third should be posituve