The ratio of the sum and product of the roots of the equation
7x2 - 12x + 18 = 0 is
For the given equation 7x2 - 12x + 18 = 0
a = 7 b = - 12 c = 18 comparing with ax2 + bx + c = 0
Sum of the roots 
Product of the roots 
Ratio of sum: product = 
= 12:18 = 2:3
8