# R.D. Sharma Solutions Class 10th: Ch 8 Quadratic Equations Exercise 8.4

## Chapter 8 Quadratic Equations R.D. Sharma Solutions for Class 10th Math Exercise 8.4

**Find the roots of the following quadratic equations (if they exist) by the method of completing the square.**

1. x

^{2}- 4√2x + 6 = 0

**Solution**

2. 2x

^{2}- 7x + 3 = 0

**Solution**

3. 3x

^{2}+ 11x + 10 = 0

**Solution**

4. 2x

^{2}+ x - 4 = 0

**Solution**

5. 2x

^{2}+ x + 4 = 0

**Solution**

6. 4x

^{2}+ 4√3 x + 3 = 0

**Solution**

7. √2 x

^{2}-3 x - 2√2 = 0

**Solution**

8. √3 x

^{2}+ 10 x + 7√3 = 0

**Solution**

9. x

^{2}- (√2 + 1) x + √2 = 0

**Solution**

10. x

^{2}- 4ax + 4a

^{2}= 0

**Solution**