The discriminant of the quadratic equation 3x2−4x−2=0 is
40
20
24
48
Given: 3x2−4x−2=0
Comparing the given quadratic equation with the standard form, we get a = 3, b = -4, c = -2 ∴D=b2−4ac=(−4)2−4(3)(−2)=16+24=40 ⇒D=40