given that the root of the quadratic equation 2x^2 + 6x -3x =0 are alpha(a) and beta (b) where a is greater than b evaluate a.{√(a^2 - b^2)} b. (a^2/b) - (b^2/a)​

Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint