if two positive integers a b are written as a = x 3 y 2 and b = x y 3 where x y are prime numbers then the hcf of a b is=
(a)xy (b)xy2
(c)x3y3 (d)x2y2
if two positive integers a b are written as a = x 3 y 2 and b = x y 3 where x y are prime numbers then the hcf of a b is=
(a)xy (b)xy2
(c)x3y3 (d)x2y2