Question

If α and β are zeros of the polynomial 2x^2-4x+5 then the values of α^2+β^2=​

Answer 1

Step-by-step explanation:

alpha^2+ beeta^2=(alpha+beta)^2-2alphabeta

alpha+beta=-b/a=-(-4)/2=2

alphabeeta=c/a=5/2

=2^2 - 2×5/2 = 4 -5= -1