Question

If α, β are the zeroes of the polynomial 2y + 7y + 5, write the value of α + β+ αβ.

Answer 1

Answer:

Step-by-step explanation:

p(x)=2y^2+7y+5

m=alpha

n=beta

m+n=-b/a

m+n=-7/2

mn=c/a

=5/2

=-7/2+5/2

=-2/2

=-1