If `f(x)=x^2-(a+b)x + ab` and `A` and `H` be the `A.M.` and `H.M.` between two quantities `a` and `b,` then

If A and B are the A.M. and G.M. respectively between two numbers, then the numbers are

The A.M and H.M between two numbers are 27 and 12 respectively then G.M is

If A,G and H are respectively the A.M., the G.M. and the H.M. between two positive numbers 'a' and 'b' , then :

If the A.M between a and b is m times their H.M then a:b is

If the A.M between a and b is m times their H.M then a:b is

If P,Q,R be the A.M., G.M., H.M. respectively between any two rational numbers a and b, then P-Q is :

If A^(x)=G^(y)=H^(z) , where A,G,H are AM,GM and HM between two given quantities, then prove that x,y,z are in HP.

If A^(x)=G^(y)=H^(z) , where A,G,H are AM,GM and HM between two given quantities, then prove that x,y,z are in HP.