RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.4

RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.4

Find the roots of the following quadratic equations (if they exist) by the method of completing the square.
Question 1.
x² – 4 √2x + 6 = 0
Solution:

Question 2.
2x² – 7x + 3 = 0
Solution:

Question 3.
3x² + 11x + 10 = 0
Solution:

Question 4.
2x² + x – 4 = 0
Solution:

Question 5.
2x² + x + 4 = 0
Solution:

Question 6.
4x² + 4√3x + 3 = 0
Solution:

Question 7.
√2 x² – 3x – 2√2 = 0
Solution:

Question 8.
√3 x² + 10x + 7√3 = 0
Solution:

Question 9.
x² – (√2 + 1)x + √2 = 0
Solution:

Question 10.
x² – 4ax + 4a² – b² = 0
Solution:

Exercise 8.4