Question

find the zeroes of the quadratic polynomial 4s^2 -4s+1=0 and verify the relationship between the zeroes and coefficients

Answer 1

4s^2-2s-2s+1=0
2s(2s-1)-1(2s-1)=0
(2s-1)(2s-1)=0
2s-1=0 or 2s-1=0
2s=1
s=1/2