Question

7. If a, b, c, d are in G.P. then
(a) a +b, b+c, c+d are in G.P.
(b) (b - c)2+(c - a)2 + (d -b)2 = (a – d)2
(c) (a2 + b2 + c)(b2 + c2 + d2) = (ab + bc + cd)2
(d) All are correct​

Answer 1

Answer:

(a)is correct answer

stap stap by stap

a+b,b+c,c+d