Question

If α and β are the roots of a quadratic equation ax² + bx + c = 0 then α + β = ………
(A) -b/a
(B) b/2a
(C) -b² /4a
(D) b²/4a

Answer 1

Answer: (A) -b/a

If α and β are the roots of a quadratic equation ax² + bx + c = 0 then α + β = -b/a.