Question

If p,q and are in AP, then prove that (p+2q-r) (2q+r-p) (r+p-q) =4pqr.

Answer 1

Answer:

it is easy bro

we know that when 3 no. are un A.p.

eg. a,b and c then

b=a+c/2

so by finding the value of q in this way and then substitute it in given equation