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NCERT Class 10 Mathematics Solutions: Chapter 4- Quadratic Equations Exercise 4.4 Part 1
1. Find the nature of the roots of the following quadratic equations. If the real roots exist, find them;
(i)
(ii)
(iii)
Answer:
(i)
Comparing it with
Discriminant
As
No real root is possible for the given equation.
(ii)
Comparing it with
Discriminate
As
Real roots exist for the given equation and they are equal to each other
And root will be
So, the roots are
(iii)
Comparing this equation with
Discriminant
As
So real roots exist for this equation
So, the roots are