Question

If α and β be the zeros of the polynomial ax2 + bx + c = 0 then α+ β is (a) -b/a (b) c/a (d) -c/a none of these

Answer 1

Answer:

Step-by-step explanation:

and β are the zeroes of the quadratic polynomial, then

aα^2+bα+c=0 and

aβ^2+bβ+c=0

or, aα^2 +bα − aβ −bβ=0

Then, α+β= −b/a

​