1.

If the roots of a quadratic equation are equal, then A) b2 = 4ac B) b2 – 4ac < 0 C) b2 – 4ac > 0 D) b2 – 4ac = 0

Answer»

Correct option is (A) b2 = 4ac

If roots of quadratic equation \(ax^2+bx+c=0\) are equal, then \(b^2-4ac=0\) or \(b^2= 4ac.\)

Correct option is A) b2 = 4ac



Discussion

No Comment Found