Download NCERT Solutions For Class 10 Maths Chapter 4 Exercise 4.4
1. Find the nature of the roots of the following quadratic equation. If the real roots exist, find them:
Solution: We know that the quadratic equation ax2+bx+c = 0 has
(a) Two distinct real roots, if b2-4ac > 0,
(b) Two equal real roots, if b2-4ac = 0,
(c) No real roots, if b2-4ac < 0.