Question

What is value of D, given the roots of 2
ax bx c = 0 , a ≠ 0 are real and unequal?

Answer 1

Answer:

The roots of the equation ax

2

+bx+c=0 are

2a

−b±

b

2

−4ac

For the equation to have real roots,b

2

−4ac≥0

For the equation to have unequal roots,b

2

−4ac>0

∴Option B is correct.