Question

x+y,x-y,x-3y are in arithmetic progression find common differenc

Answer 1

Answer:D=-2y

Step-by-step explanation:

a-a'=x-y-x-y

=-2y

Answer 2

Answer:

-2y

Step-by-step explanation:

a=x+y

d=t2-a

=x-y-[x+y}

=x-y-x-y

=-2y