Question

In a quadratic equation, a+ B = 4 and aß = -1,
then required equation is
(A) x2 - 4x - 1 = 0
(B) x2 + 4x - 1 = 0
(C) x2 + 4x + 1 = 0
(D) x2 - 4x + 1 = 0
with solution​

Answer 1

Step-by-step explanation:

X2 - sum of rootsx + product of roots. ( formula).

hence, X2 - 4x - 1 is the answer. i.e option A