If the AM of two positive numbers a and b `(agtb)` is twice of their GM, then `a:b` is

If the A.M between two positive numbers a and b is twice theirr G.M., then A : B =

If the A.M.of two positive numbers a and b(a>b) is twice their geometric mean.Prove that : a:b=(2+sqrt(3)):(2-sqrt(3))

The A.M. of two positive numbers a and b is twice their G.M. Prove that - a:b=2+sqrt3:2-sqrt3 .

If the ratio of H.M. between two positive numbers 'a' and 'b' (a gt b) is to their G.M. as 12 to 13, prove that a:b is 9:4.

If the ratio of AM to GM of two positive numbers a and b is 5:3 , then a : b is equal to

If the ratio of AM to GM of two positive numbers a and b is 5:3, then a:b is

If the ratio of A.M. between two positive real numbers a and b to their H.M. is m:n then a:b is equal to :