Download NCERT Solutions For Class 10 Maths Chapter 4 Exercise 4.4 – Quadratic Equations. This Exercise contains 5 questions, for which detailed answers have been provided in this note. In case you are looking at studying the remaining Exercise for Class 10 for Maths NCERT solutions for other Chapters, you can click the link at the end of this Note.
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.