Question

if a, b, c are in AP then B minus A equal to

Answer 1

first digit=a
common difference =d
b=a+d
then b-a=a+d-a=d
so, b-a = d

Answer 2

from properties of A.P.

=> 2b=a+c
=> b - a= c-b



therefore. if a, b, c are in AP then B minus A equal to c minus b