RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 1 of Exercise 10D

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

1

Find the nature of the roots of the following quadratic equations:

x2 – x + 2 = 0

Given: x2 – x + 2 = 0


Comparing with standard quadratic equation ax2 + bx + c = 0


a = 1, b = – 1, c = 2


Discriminant D = b2 – 4ac


= (– 1)2 – 4.1.2


= 1 – 8 = – 7 < 0


Hence the equation has no real roots.


Chapter Exercises

More Exercise Questions