Question:

Determine the nature of roots of the following quadratic equations.

(1) x2 – 4x + 4 = 0

(2) 2y2 – 7y + 2 = 0

(3) m2 + 2m + 9 = 0

 

 

 

Answer:

(1) x2 – 4x + 4 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 50

(2) 2y2 – 7y + 2 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 51

(3) m2 + 2m + 9 = 0

Solution:

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 52
Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter 2 - Image 53

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