Question

if P Q R and S are in AP then r minus Q is​

Answer 1

Answer:

common difference

which is denoted as "d"

Answer 2

Answer:

R - Q = Q - P  = S - R =  common difference (d)

Given question:

if P Q R and S are in AP then R minus Q is​

Step-by-step explanation:

in a AP the difference between every two terms is equals and it is called as common difference

given that P, Q, R and S are in AP

as we know that difference between every 2 consecutive term is same

⇒  Q - P = R - Q = S - R  = common difference