RD Sharma Class 10 Solutions Chapter 8 Quadratic Equations Exercise 8.5 (Updated for 2021-22)

RD Sharma Class 10 Solutions Chapter 8 Exercise 8.5: In this exercise, the main focus is on another method known as the Quadratic formula. The Shreedharacharya’s rule is another name for it. This approach solves some of the drawbacks of factorization. Students can refer to the RD Sharma Solutions Class 10 prepared by experts at Kopykitab for a more in-depth study of this concept. Below you will get the RD Sharma Solutions for Class 10 Maths Chapter 8 Exercise 8.5 PDF.

Download RD Sharma Class 10 Solutions Chapter 8 Exercise 8.5 Free PDF

RD Sharma Class 10 Solutions Chapter 8 Exercise 8.5

Access answers to RD Sharma Solutions Class 10 Maths Chapter 8 Exercise 8.5- Important Question with Answers

Question 1.
Write the discriminant of the following quadratic equations :
(i) 2x² – 5x + 3 = 0
(ii) x² + 2x + 4 = 0
(iii) (x – 1) (2x – 1) = 0
(iv) x² – 2x + k = 0, k ∈ R
(v) √3 x² + 2√2 x – 2√3 = 0
(vi) x² – x + 1 = 0
Solution:

Question 2.
In the following, determine whether the given quadratic equations have real roots and if so, And the roots :
(i) 16x² = 24x + 1
(ii) x² + x + 2 = 0
(iii) √3 x² + 10x – 8√3 = 0
(iv) 3x² – 2x + 2 = 0
(v) 2x² – 2√6 x + 3 = 0
(vi) 3a²x² + 8abx + 4b² = 0, a ≠ 0
(vii) 3x² + 2√5 x – 5 = 0
(viii) x² – 2x + 1 = 0
(ix) 2x² + 5√3 x + 6 = 0
(x) √2 x² + 7x + 5√2= 0 [NCERT]
(xi) 2x² – 2√2 x + 1 = 0 [NCERT]
(xii) 3x² – 5x + 2 = 0 [NCERT]
Solution:

Question 3.
Solve for x :

Solution:

We have provided complete details of RD Sharma Class 10 Solutions Chapter 8 Exercise 8.5. If you have any queries related to CBSE Class 10, feel free to ask us in the comment section below.

FAQs on RD Sharma Class 10 Solutions Chapter 8 Exercise 8.5