**Download NCERT Solutions For Class 10 Maths Chapter 4 Exercise 4.3 – Quadratic Equations. This Exercise contains 11 questions, for which detailed answers have been provided in this note. In case you are looking at studying the remaining Exercise for Class 10 for Maths NCERT solutions for other Chapters, you can click the link at the end of this Note.**

**1. Find the roots of the following quadratic equations, if they exist, by the method of completing the square: **

**(i) 2x ^{2} – 7x + 3 = 0 **

** Solution:** The quadratic equation is

2x^{2} – 7x + 3 = 0

On Dividing both side by 2,

x^{2 }– x + = 0

x^{2 }– 2..x + ^{ }– ^{ }+ =0

– + =0

=

= ±

Taking the positive value,

x – =

⇒ x = + = = 3

And taking the negative value,

x – = –

⇒ x = – = =

Hence the roots are x = 3,

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