The sum of the reciprocals of the roots of the equation ax^2+bx+c is 22. The product of the roots of the equation cx^2+bx+a is 11. What is the difference of the roots of the equation ax^2+bx+c
(20/11)^0.5
(40/11)^0.5
(30/11)^0.5
(50/11)^0.5