Question

if 2a = b+c , then show that they are in ap

Answer 1

Answer:

Step-by-step explanation:

Let b,a,c be in an A.P , then

a-b=c-a

=> a+a=c+b

=>2a=c+b

Or

As 2a=b+c

=>a+a=b+c

=>a-b=c-a

Therefore 2a=b+c are in A.P