Question

Q:-The sum of the first p, q and r terms of an AP. are a, b and c respectively prove that a/p (q-r)+b/q (r-p)+c/r (p-q)=0

Answer 1

Ex 9.2,11 Sum of first p,q,r terms of an A.P are a,b,c resp. "Prove that" a/p " (q − r) + " b/q " (r − p)+ " c/r " (p − q) = 0" Here we have small 'a