If a, b, c are in AP, b -a, c - b and a are in GP, then a : b : c is
If a,b,c are in AP then show that 3a , 3b , 3c are in GP
Suppose a,b,c are in A.P and a2,b2,c2 are in GP. If a < b < c and a+b+c = 32, then the value of a is