Question

if p, q, r, and s are in G.P with common ratio 2, then find
1 + (p-r)^2 + (q-r)^2 + (q-s)^2 - (p-s)^2 ?​

Answer 1

Answer:

if p,q,r r in d gp thn show tht(p+q)2,(q+r)2,(r+s)2in also in the form of geometrical progressions