RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 22 of Exercise 10F

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

22

The roots of the equation 2x2 - 6x + 7 = 0 are

For the given equation 2x2 - 6x + 7 = 0


a = 2 b = - 6 c = 7


D = b2 - 4ac


= ( - 6)2 - 4.2.7


= 36 – 56 = - 20 < 0


Thus the roots of equation are imaginary.

Chapter Exercises

More Exercise Questions